# Llista de townlands del Comtat de Roscommon

Aquesta és una Llista de townlands del comtat de Roscommon. Hi ha aproximadament 2.030 townlands al comtat de Roscommon a la República d'Irlanda.
Els noms duplicats es produeixen quan hi ha més d'un townland amb el mateix nom al comtat. Els noms marcats en negreta són les ciutats i pobles, i la paraula town apareix per a les entrades de la columna acres.

## Llista de townlands

| Townland | Acres | Baronia | Parròquia civil | Poor Law Union |
| Abbeycartron | 32 | Roscommon | Elphin | Strokestown |
| Acres | 125 | Frenchpark | Kilmacumsy | Boyle |
| Acres | 133 | Ballintober South | Roscommon | Roscommon |
| Adragool | 231 | Castlereagh | Kilkeevin | Castlereagh |
| Aghabehy | 537 | Boyle | Kilronan | Boyle |
| Aghacarra | 587 | Boyle | Boyle | Boyle |
| Aghaclogher | 200 | Roscommon | Cloonfinlough | Roscommon |
| Aghacurreen | 761 | Frenchpark | Tibohine | Castlereagh |
| Aghadangan | 145 | Roscommon | Lissonuffy | Strokestown |
| Aghaderry | 397 | Frenchpark | Tibohine | Castlereagh |
| Aghadrestan | 563 | Frenchpark | Tibohine | Castlereagh |
| Aghafin | 561 | Boyle | Kilronan | Boyle |
| Aghagad | 420 | Athlone | Fuerty | Roscommon |
| Aghagad Beg & Creemully | 940 | Athlone | Fuerty | Roscommon |
| Aghagower | 731 | Athlone | Fuerty | Roscommon |
| Aghagowla | 311 | Boyle | Boyle | Boyle |
| Aghalahard | 150 | Roscommon | Cloonfinlough | Roscommon |
| Aghalour | 680 | Frenchpark | Tibohine | Castlereagh |
| Aghalustia | 1.180 | Frenchpark | Castlemore | Castlereagh |
| Aghamannan | 116 | Ballintober North | Kilglass | Strokestown |
| Aghamore | 200 | Roscommon | Aughrim | Carrick on Shannon |
| Aghamore | 59 | Roscommon | Lissonuffy | Strokestown |
| Aghamuck | 189 | Ballintober South | Kilgefin | Roscommon |
| Aghawaracahill | 35 | Ballintober North | Kilmore | Carrick on Shannon |
| Aghawerriny | 166 | Ballintober South | Kilgefin | Roscommon |
| Aghloonagh | 59 | Roscommon | Ogulla | Strokestown |
| Aghmagree | 521 | Ballintober South | Kilteevan | Roscommon |
| Aghnagrange | 100 | Boyle | Boyle | Boyle |
| Aghnasurn | 70 | Boyle | Kilbryan | Boyle |
| Aghoo | 219 | Boyle | Ardcarn | Boyle |
| Aghrafinigan | 282 | Boyle | Ardcarn | Boyle |
| Alderford | 251 | Boyle | Kilronan | Boyle |
| Altagowlan | 583 | Boyle | Kilronan | Boyle |
| Altoghil | 64 | Boyle | Kilronan | Boyle |
| Altore | 286 | Castlereagh | Kiltullagh | Castlereagh |
| America | 291 | Moycarn | Moore | Ballinasloe |
| Annacloghan | 36 | Boyle | Kilronan | Boyle |
| Annagh | 241 | Boyle | Kilronan | Boyle |
| Annagh | 103 | Ballintober North | Kilmore | Carrick on Shannon |
| Annagh | 541 | Castlereagh | Kilkeevin | Castlereagh |
| Annagh (o Drumanilra) | 166 | Boyle | Kilbryan | Boyle |
| Annaghbeg | 249 | Boyle | Tumna | Carrick on Shannon |
| Annaghbeg | 271 | Roscommon | Killukin | Strokestown |
| Annaghmaghera | 477 | Castlereagh | Kilkeevin | Castlereagh |
| Annaghmagurthan | 38 | Boyle | Ardcarn | Carrick on Shannon |
| Annaghmona | 34 | Boyle | Tumna | Carrick on Shannon |
| Annaghmore | 151 | Ballintober South | Kilteevan | Roscommon |
| Annaghmore | 388 | Roscommon | Ogulla | Strokestown |
| Anrittabeg | 320 | Ballintober South | Cloontuskert | Roscommon |
| Araghty | 577 | Athlone | Athleague | Roscommon |
| Ardagawna | 242 | Athlone | Drum | Athlone |
| Ardagh | 345 | Frenchpark | Kilcolagh | Boyle |
| Ardakillin | 554 | Roscommon | Killukin | Strokestown |
| Ardanaffrin | 82 | Ballintober North | Kilmore | Carrick on Shannon |
| Ardass | 134 | Castlereagh | Kilkeevin | Castlereagh |
| Ardcarn | 264 | Moycarn | Creagh | Ballinasloe |
| Ardcarn | 631 | Boyle | Ardcarn | Boyle |
| Ardchamoyle | 49 | Boyle | Tumna | Carrick on Shannon |
| Ardcolagh | 229 | Frenchpark | Kilmacumsy | Boyle |
| Ardcollum | 65 | Boyle | Kilronan | Boyle |
| Ardcolman | 171 | Athlone | Dysart | Athlone |
| Ardconra | 190 | Boyle | Ardcarn | Boyle |
| Ardcoran | 54 | Boyle | Boyle | Boyle |
| Ardcorcoran | 54 | Boyle | Boyle | Boyle |
| Ardeash | 156 | Boyle | Ardcarn | Boyle |
| Ardeevin | 515 | Castlereagh | Baslick | Castlereagh |
| Ardgallagher | 165 | Ballintober North | Kilmore | Carrick on Shannon |
| Ardglass | 254 | Boyle | Ardcarn | Boyle |
| Ardkeel | 421 | Ballintober South | Roscommon | Roscommon |
| Ardkeenagh | 206 | Boyle | Estersnow | Boyle |
| Ardkeenagh | 202 | Roscommon | Kilcooley | Strokestown |
| Ardkeenagh Plunkett | 245 | Roscommon | Kilcooley | Strokestown |
| Ardkeenan | 950 | Athlone | Drum | Athlone |
| Ardlagheen Beg | 209 | Ballymoe | Cloonygormican | Roscommon |
| Ardlagheen More (o Highlake) | 528 | Ballymoe | Cloonygormican | Castlereagh |
| Ardlavagh | 165 | Boyle | Killukin | Carrick on Shannon |
| Ardleckna | 192 | Roscommon | Aughrim | Carrick on Shannon |
| Ardlougher | 127 | Roscommon | Aughrim | Carrick on Shannon |
| Ardmacroan | 67 | Ballintober North | Kilmore | Carrick on Shannon |
| Ardmore | 262 | Boyle | Boyle | Boyle |
| Ardmore | 383 | Boyle | Killukin | Boyle |
| Ardmore | 110 | Frenchpark | Kilnamanagh | Castlereagh |
| Ardmore | 702 | Ballymoe | Dunamon | Roscommon |
| Ardmoyle | 188 | Frenchpark | Kilnamanagh | Boyle |
| Ardmullan | 628 | Athlone | Cam | Athlone |
| Ardnaglug | 1.048 | Moycarn | Moore | Ballinasloe |
| Ardnagowna | 183 | Roscommon | Elphin | Strokestown |
| Ardnamullagh | 81 | Castlereagh | Ballintober | Castlereagh |
| Ardnanagh | 221 | Ballintober South | Roscommon | Roscommon |
| Ardnanure | 82 | Athlone | Drum | Athlone |
| Ardsallagh | 192 | Boyle | Boyle | Boyle |
| Ardsallagh Beg | 206 | Ballintober South | Roscommon | Roscommon |
| Ardsallagh More | 270 | Ballintober South | Roscommon | Roscommon |
| Arignagh | 45 | Ballymoe | Oran | Roscommon |
| Arm | 823 | Castlereagh | Kilkeevin | Castlereagh |
| Arraghan | 344 | Castlereagh | Kilcorkey | Castlereagh |
| Ash Islands | 1 | Boyle | Kilbryan | Boyle |
| Ashbrook (o Knocknabarnaboy) | 246 | Roscommon | Lissonuffy | Strokestown |
| Ashford | 414 | Moycarn | Creagh | Ballinasloe |
| Ashpark | 241 | Ballymoe | Drumatemple | Castlereagh |
| Assaun | 127 | Frenchpark | Creeve | Carrick on Shannon |
| Athleague | Town | Athlone | Athleague | Roscommon |
| Athleague | 325 | Athlone | Athleague | Roscommon |
| Athlone | Town | Athlone | St. Peter's | Athlone |
| Athlone & Bigmeadow | 111 | Athlone | St. Peter's | Athlone |
| Athroe | 111 | Roscommon | Shankill | Boyle |
| Atteagh | 211 | Athlone | Kiltoom | Athlone |
| Attiaghygrana | 178 | Frenchpark | Creeve | Carrick on Shannon |
| Attiballa | 35 | Roscommon | Elphin | Strokestown |
| Atticorra | 399 | Moycarn | Creagh | Ballinasloe |
| Attiknockan | 249 | Athlone | Tisrara | Roscommon |
| Attirory | 546 | Moycarn | Creagh | Ballinasloe |
| Attishane | 233 | Castlereagh | Kiltullagh | Castlereagh |
| Aughrim | 347 | Roscommon | Aughrim | Carrick on Shannon |
| Ballagh | 1.210 | Athlone | Rahara | Athlone |
| Ballagh | 169 | Ballintober North | Kilmore | Carrick on Shannon |
| Ballagh | 183 | Ballintober South | Kilgefin | Roscommon |
| Ballaghabawbeg | 427 | Castlereagh | Baslick | Castlereagh |
| Ballaghabawmore | 224 | Roscommon | Ogulla | Strokestown |
| Ballaghcullia | 361 | Castlereagh | Kilcorkey | Castlereagh |
| Ballina | 223 | Athlone | Taghboy | Athlone |
| Ballinaboy | 96 | Ballintober South | Roscommon | Roscommon |
| Ballinafad | 272 | Roscommon | Cloonfinlough | Strokestown |
| Ballinagard | 404 | Ballintober South | Roscommon | Roscommon |
| Ballinasloe | Town | Moycarn | Creagh | Ballinasloe |
| Ballincool | 118 | Castlereagh | Kilcorkey | Castlereagh |
| Ballincurry | 192 | Ballintober South | Kilgefin | Roscommon |
| Ballindall | 242 | Ballintober South | Roscommon | Roscommon |
| Ballinderry | 1.411 | Ballintober South | Kilbride | Roscommon |
| Ballindollaghan (Crump) | 428 | Castlereagh | Baslick | Castlereagh |
| Ballindollaghan (Knox) | 298 | Castlereagh | Baslick | Castlereagh |
| Ballindrehid | 51 | Boyle | Killukin | Carrick on Shannon |
| Ballindrumlea | 774 | Castlereagh | Kilkeevin | Castlereagh |
| Ballinlig | 381 | Athlone | Fuerty | Roscommon |
| Ballinlig | 165 | Athlone | Kilmeane | Roscommon |
| Ballinlough | Town | Castlereagh | Kiltullagh | Castlereagh |
| Ballinlough | 189 | Castlereagh | Kiltullagh | Castlereagh |
| Ballinoughquarter | 107 | Castlereagh | Kiltullagh | Castlereagh |
| Ballinphuill | 122 | Boyle | Boyle | Boyle |
| Ballinphuill | 60 | Castlereagh | Kilkeevin | Castlereagh |
| Ballinphuill | 481 | Frenchpark | Tibohine | Castlereagh |
| Ballinross | 381 | Castlereagh | Kiltullagh | Castlereagh |
| Ballintemple | 110 | Roscommon | Cloonfinlough | Strokestown |
| Ballintober | 58 | Castlereagh | Ballintober | Castlereagh |
| Ballinturly | 408 | Ballymoe | Cloonygormican | Roscommon |
| Ballinturly | 367 | Athlone | Fuerty | Roscommon |
| Ballinvilla | 406 | Boyle | Killummod | Carrick on Shannon |
| Ballinvoher | 177 | Boyle | Estersnow | Boyle |
| Ballinvoher | 192 | Frenchpark | Kilnamanagh | Boyle |
| Ballinwully | 164 | Ballintober South | Kilgefin | Roscommon |
| Balloony | 132 | Castlereagh | Baslick | Castlereagh |
| Bally Beg | 53 | Roscommon | Lissonuffy | Strokestown |
| Bally More | 192 | Roscommon | Lissonuffy | Strokestown |
| Ballyardan | 103 | Boyle | Ardcarn | Boyle |
| Ballybane (Reynolds) | 145 | Castlereagh | Kiltullagh | Castlereagh |
| Ballybane Lower | 151 | Castlereagh | Kiltullagh | Castlereagh |
| Ballybane Upper | 92 | Castlereagh | Kiltullagh | Castlereagh |
| Ballybaun | 97 | Boyle | Boyle | Boyle |
| Ballybeg | 257 | Roscommon | Ogulla | Strokestown |
| Ballyboughan | 261 | Ballintober South | Roscommon | Roscommon |
| Ballybride | 486 | Ballintober South | Roscommon | Roscommon |
| Ballybrogan | 591 | Athlone | St. Johns | Athlone |
| Ballybroghan | 134 | Roscommon | Kilcooley | Strokestown |
| Ballyclare | 283 | Ballintober South | Cloontuskert | Roscommon |
| Ballyclare Island | 2 | Ballintober South | Cloontuskert | Roscommon |
| Ballyconboy | 879 | Castlereagh | Kilcorkey | Castlereagh |
| Ballycreggan | 344 | Athlone | Kiltoom | Athlone |
| Ballyculleen | 175 | Boyle | Killukin | Carrick on Shannon |
| Ballycummin | 124 | Ballintober North | Kilmore | Carrick on Shannon |
| Ballydaly | 268 | Roscommon | Killukin | Strokestown |
| Ballydangan | 53 | Moycarn | Moore | Ballinasloe |
| Ballydooley | 415 | Ballymoe | Oran | Roscommon |
| Ballyduffy | 223 | Roscommon | Lissonuffy | Strokestown |
| Ballyfarnan | Town | Boyle | Kilronan | Boyle |
| Ballyfeeny | 117 | Roscommon | Bumlin | Strokestown |
| Ballyfeeny | 654 | Ballintober North | Kilglass | Strokestown |
| Ballyfinegan | 438 | Castlereagh | Ballintober | Castlereagh |
| Ballyforan | 477 | Athlone | Taghboy | Athlone |
| Ballyformoyle | 727 | Boyle | Ardcarn | Boyle |
| Ballygalda (o Trust) | 596 | Ballintober South | Roscommon | Roscommon |
| Ballygate | 38 | Ballintober North | Termonbarry | Strokestown |
| Ballygatta and Corraree | 525 | Athlone | Taghmaconnell | Athlone |
| Ballyglass | 270 | Athlone | Dysart | Athlone |
| Ballyglass | 2.000 | Castlereagh | Baslick | Castlereagh |
| Ballyglass | 294 | Ballintober South | Cloontuskert | Roscommon |
| Ballyglass | 77 | Athlone | Killinvoy | Roscommon |
| Ballyglass | 300 | Athlone | Rahara | Roscommon |
| Ballyglass | 495 | Roscommon | Killukin | Strokestown |
| Ballyglass (Dodwell) | 298 | Athlone | Dysart | Athlone |
| Ballyglass East | 403 | Frenchpark | Tibohine | Castlereagh |
| Ballyglass Lower | 177 | Ballymoe | Cloonygormican | Roscommon |
| Ballyglass Upper | 545 | Ballymoe | Cloonygormican | Roscommon |
| Ballyglass West | 283 | Frenchpark | Tibohine | Castlereagh |
| Ballygortagh | 113 | Moycarn | Creagh | Ballinasloe |
| Ballyhammon | 127 | Roscommon | Lissonuffy | Strokestown |
| Ballyhollaghan | 67 | Frenchpark | Creeve | Carrick on Shannon |
| Ballyhubert | 327 | Roscommon | Lissonuffy | Strokestown |
| Ballyhugh | 31 | Moycarn | Creagh | Ballinasloe |
| Ballykeevican | 35 | Boyle | Kilbryan | Boyle |
| Ballykilcline | 610 | Ballintober North | Kilglass | Strokestown |
| Ballyleague | 374 | Ballintober South | Cloontuskert | Roscommon |
| Ballylion | 342 | Athlone | Cam | Athlone |
| Ballylugnagon | 269 | Boyle | Boyle | Boyle |
| Ballymacfarrane | 481 | Ballymoe | Dunamon | Roscommon |
| Ballymacurly North | 193 | Ballymoe | Cloonygormican | Roscommon |
| Ballymacurly South | 697 | Ballymoe | Cloonygormican | Roscommon |
| Ballymaglancy | 195 | Ballymoe | Cloonygormican | Castlereagh |
| Ballymagrine | 222 | Ballintober North | Termonbarry | Strokestown |
| Ballymartin | 257 | Ballintober North | Kilglass | Strokestown |
| Ballymartin Beg | 113 | Ballintober South | Roscommon | Roscommon |
| Ballymartin More | 249 | Ballintober South | Roscommon | Roscommon |
| Ballymintan | 104 | Athlone | Dysart | Athlone |
| Ballymore East (o Corbally) | 395 | Boyle | Boyle | Boyle |
| Ballymore West | 427 | Boyle | Boyle | Boyle |
| Ballymoylin | 265 | Ballintober North | Kilglass | Strokestown |
| Ballymullavil | 202 | Athlone | Kiltoom | Athlone |
| Ballymulrennan | 102 | Castlereagh | Kilkeevin | Castlereagh |
| Ballymurray | 322 | Athlone | Kilmeane | Roscommon |
| Ballymurray | 291 | Roscommon | Elphin | Strokestown |
| Ballynacullia | 124 | Ballintober South | Roscommon | Roscommon |
| Ballynaheglish | 89 | Ballymoe | Cloonygormican | Castlereagh |
| Ballynahoogh (o Cavetown) | 319 | Boyle | Estersnow | Boyle |
| Ballynahowna | 286 | Castlereagh | Kilcorkey | Castlereagh |
| Ballynanultagh | 196 | Boyle | Boyle | Boyle |
| Ballypheasan | 199 | Ballintober South | Roscommon | Roscommon |
| Ballyrevagh and Porteen | 305 | Athlone | Dysart | Athlone |
| Ballyrevagh West and Porteen | 363 | Athlone | Dysart | Athlone |
| Ballyroddy | 634 | Roscommon | Shankill | Boyle |
| Ballysundrivan | 357 | Frenchpark | Creeve | Carrick on Shannon |
| Ballytoohey | 878 | Ballintober North | Termonbarry | Strokestown |
| Ballytrasna | 251 | Boyle | Boyle | Boyle |
| Banada | 580 | Frenchpark | Kilcolman | Castlereagh |
| Barcullin | 111 | Boyle | Ardcarn | Boyle |
| Barnaboy | 191 | Frenchpark | Kilnamanagh | Castlereagh |
| Barnacawley | 836 | Frenchpark | Tibohine | Castlereagh |
| Barnacullen | 397 | Athlone | Rahara | Roscommon |
| Barnhill | 180 | Ballintober South | Roscommon | Roscommon |
| Barravally | 112 | Ballintober North | Kilglass | Strokestown |
| Barrinagh | 268 | Castlereagh | Kiltullagh | Castlereagh |
| Barrinagh | 116 | Roscommon | Shankill | Strokestown |
| Barry Beg | 768 | Athlone | Kiltoom | Athlone |
| Barry More | 1.140 | Athlone | Kiltoom | Athlone |
| Baslick | 129 | Castlereagh | Baslick | Castlereagh |
| Battlebridge | Town | Boyle | Tumna | Carrick on Shannon |
| Beagh | 413 | Castlereagh | Kilkeevin | Castlereagh |
| Beagh (Brabazon) | 446 | Moycarn | Creagh | Ballinasloe |
| Beagh (Naghten) | 33 | Moycarn | Creagh | Ballinasloe |
| Beagh (Trench) | 121 | Moycarn | Creagh | Ballinasloe |
| Beaghbeg | 101 | Moycarn | Creagh | Ballinasloe |
| Bealragh | 398 | Roscommon | Aughrim | Carrick on Shannon |
| Behy | 196 | Boyle | Ardcarn | Boyle |
| Behy | 210 | Boyle | Boyle | Boyle |
| Belderg | 21 | Ballintober South | Kilteevan | Roscommon |
| Bella | 280 | Frenchpark | Kilcolagh | Boyle |
| Bellacagher | 485 | Ballymoe | Drumatemple | Castlereagh |
| Bellagill | 197 | Moycarn | Creagh | Ballinasloe |
| Bellanacarrow | 120 | Athlone | Fuerty | Roscommon |
| Bellanagare | Town | Castlereagh | Kilcorkey | Castlereagh |
| Bellanagare | 316 | Castlereagh | Kilcorkey | Castlereagh |
| Bellanamullia | 421 | Athlone | St. Peter's | Athlone |
| Bellanamullia | 104 | Roscommon | Bumlin | Strokestown |
| Bellaneeny | 140 | Athlone | Taghmaconnell | Athlone |
| Bellaugh | Town | Athlone | St. Peter's | Athlone |
| Bellaugh | 354 | Athlone | St. Peter's | Athlone |
| Bellmount (o Cloggernagh) | 50 | Roscommon | Lissonuffy | Strokestown |
| Bellspark | 21 | Boyle | Boyle | Boyle |
| Belrea | 277 | Athlone | Drum | Athlone |
| Benmore | 217 | Castlereagh | Kiltullagh | Castlereagh |
| Betal | 159 | Castlereagh | Kiltullagh | Castlereagh |
| Bigmeadow and Athlone | 111 | Athlone | St. Peter's | Athlone |
| Binmuck | 222 | Athlone | St. Johns | Athlone |
| Blackfallow | 87 | Boyle | Ardcarn | Boyle |
| Bloomfield | 113 | Roscommon | Kilcooley | Strokestown |
| Bodorragha | 142 | Boyle | Kilbryan | Boyle |
| Bodorragha | 203 | Boyle | Kilronan | Boyle |
| Bogganfin | Town | Athlone | St. Peter's | Athlone |
| Bogganfin | 291 | Athlone | Kiltoom | Athlone |
| Bogganfin | 105 | Athlone | St. Peter's | Athlone |
| Bogganfin | 163 | Athlone | Kilmeane | Roscommon |
| Bogwood (o Carrowntogher) | 200 | Ballintober South | Kilgefin | Roscommon |
| Bohagh | 533 | Castlereagh | Ballintober | Castlereagh |
| Bohergarve | 152 | Ballintober South | Roscommon | Roscommon |
| Boherroe | 35 | Frenchpark | Creeve | Carrick on Shannon |
| Bolarry | 68 | Boyle | Kilronan | Boyle |
| Boleyduff | 119 | Athlone | Taghmaconnell | Athlone |
| Bolinree | 122 | Athlone | Kilmeane | Roscommon |
| Boyanagh | 161 | Roscommon | Aughrim | Carrick on Shannon |
| Boyanagh | 96 | Roscommon | Elphin | Strokestown |
| Boyle | Town | Boyle | Boyle | Boyle |
| Brackloon | 542 | Roscommon | Shankill | Boyle |
| Brackloon | 32 | Boyle | Tumna | Boyle |
| Brackloon | 336 | Castlereagh | Ballintober | Castlereagh |
| Brackloon | 553 | Castlereagh | Kilcorkey | Castlereagh |
| Brackloon | 447 | Athlone | Fuerty | Roscommon |
| Breanabeg | 313 | Castlereagh | Kilkeevin | Castlereagh |
| Breanamore | 580 | Frenchpark | Tibohine | Castlereagh |
| Breandrum | 161 | Boyle | Boyle | Boyle |
| Breanletter | 606 | Boyle | Ardcarn | Boyle |
| Bredagh | 380 | Athlone | Dysart | Athlone |
| Bredagh | 291 | Athlone | Kiltoom | Athlone |
| Breeole | 290 | Athlone | Dysart | Athlone |
| Breeole West | 73 | Athlone | Dysart | Athlone |
| Brideswell | 263 | Athlone | Cam | Athlone |
| Bridgecartron (o Derrycashel) | 362 | Boyle | Ardcarn | Boyle |
| Brierfield | 288 | Ballymoe | Cloonygormican | Castlereagh |
| Brislagh | 490 | Boyle | Boyle | Boyle |
| Bryan Beg | 42 | Roscommon | Aughrim | Carrick on Shannon |
| Bryan More | 84 | Roscommon | Aughrim | Carrick on Shannon |
| Buckill | 827 | Frenchpark | Tibohine | Castlereagh |
| Bullock Island | 11 | Boyle | Ardcarn | Boyle |
| Bumlin | 257 | Roscommon | Bumlin | Strokestown |
| Bunnageddy | 176 | Roscommon | Lissonuffy | Strokestown |
| Bunnamucka | 221 | Roscommon | Killukin | Strokestown |
| Bunnaribba | 121 | Athlone | St. Peter's | Athlone |
| Bunreagh | 263 | Boyle | Killummod | Boyle |
| Bushfield | 388 | Ballymoe | Cloonygormican | Castlereagh |
| Caddellbrook | 216 | Castlereagh | Baslick | Castlereagh |
| Caher | 350 | Castlereagh | Kilkeevin | Castlereagh |
| Caher | 188 | Frenchpark | Tibohine | Castlereagh |
| Caldragh | 212 | Frenchpark | Kilmacumsy | Boyle |
| Caldragh | 198 | Roscommon | Kiltrustan | Strokestown |
| Caldrymoran | 131 | Roscommon | Shankill | Strokestown |
| Callow (o Runnawillin) | 632 | Frenchpark | Kilnamanagh | Castlereagh |
| Callowbeg | 282 | Athlone | Drum | Athlone |
| Caltragh | 54 | Ballintober South | Cloontuskert | Roscommon |
| Caltragh | 132 | Athlone | Rahara | Roscommon |
| Caltraghbeg | 74 | Athlone | Cam | Athlone |
| Cam | 1.009 | Athlone | Cam | Athlone |
| Camcloon | 194 | Moycarn | Moore | Ballinasloe |
| Camlagh | 620 | Athlone | Taghmaconnell | Ballinasloe |
| Camlin | 274 | Boyle | Estersnow | Boyle |
| Cammoge | 535 | Roscommon | Elphin | Strokestown |
| Cams | 818 | Athlone | Fuerty | Roscommon |
| Canal and Banks | 28 | Athlone | St. Peter's | Athlone |
| Canbo | 315 | Boyle | Killummod | Carrick on Shannon |
| Candlefield | 140 | Castlereagh | Kiltullagh | Castlereagh |
| Cappagh | 47 | Frenchpark | Castlemore | Castlereagh |
| Cappagh | 153 | Ballintober South | Kilgefin | Roscommon |
| Cappagh | 65 | Roscommon | Kilbride | Strokestown |
| Cappaleitrim | 524 | Moycarn | Moore | Ballinasloe |
| Cappalisheen | 226 | Athlone | Kiltoom | Athlone |
| Cappantogher | 268 | Moycarn | Moore | Ballinasloe |
| Cappayuse | 324 | Moycarn | Moore | Ballinasloe |
| Caran | 100 | Frenchpark | Kilmacumsy | Boyle |
| Caran | 312 | Ballymoe | Cloonygormican | Castlereagh |
| Caran | 334 | Ballymoe | Drumatemple | Castlereagh |
| Caran Bog | 39 | Ballymoe | Cloonygormican | Castlereagh |
| Caranlea | 92 | Frenchpark | Kilmacumsy | Boyle |
| Cargin Demesne | 394 | Roscommon | Ogulla | Strokestown |
| Carkfree | 191 | Boyle | Estersnow | Boyle |
| Carnagh East | 864 | Athlone | St. Johns | Athlone |
| Carnagh West | 459 | Athlone | St. Johns | Athlone |
| Carnakit | 410 | Castlereagh | Baslick | Castlereagh |
| Carns | 391 | Roscommon | Ogulla | Strokestown |
| Carradooan | 106 | Castlereagh | Kilkeevin | Castlereagh |
| Carraghs East | 454 | Castlereagh | Kiltullagh | Castlereagh |
| Carraghs West | 321 | Castlereagh | Kiltullagh | Castlereagh |
| Carrick | 610 | Athlone | Cam | Athlone |
| Carrick | 219 | Athlone | Kiltoom | Athlone |
| Carrick | 424 | Castlereagh | Kiltullagh | Castlereagh |
| Carrick on Shannon(Part) | Town | Boyle | Killukin | Carrick on Shannon |
| Carrickadraan | 113 | Boyle | Kilronan | Boyle |
| Carrickbeg | 173 | Athlone | Cam | Athlone |
| Carrickbeg | 85 | Athlone | Tisrara | Roscommon |
| Carrickilla | 85 | Roscommon | Aughrim | Carrick on Shannon |
| Carricklom | 82 | Roscommon | Aughrim | Carrick on Shannon |
| Carrickmore | 431 | Boyle | Boyle | Boyle |
| Carricknagat | 134 | Athlone | Tisrara | Roscommon |
| Carricknashee | 33 | Boyle | Kilronan | Boyle |
| Carrickynaghtan | 293 | Athlone | Drum | Athlone |
| Carrickynaghtan and Garrynagawna Bog | 973 | Athlone | Drum | Athlone |
| Carrigan Beg | 131 | Athlone | St. Johns | Athlone |
| Carrigan More | 461 | Athlone | St. Johns | Athlone |
| Carrigans Park | 248 | Ballymoe | Dunamon | Roscommon |
| Carrigeen | 193 | Frenchpark | Kilcolagh | Boyle |
| Carrigeen | 184 | Roscommon | Shankill | Boyle |
| Carrigeen | 74 | Boyle | Tumna | Carrick on Shannon |
| Carrigeen | 430 | Ballintober North | Kilglass | Strokestown |
| Carrigeenacreeha | 207 | Frenchpark | Kilcolagh | Boyle |
| Carrigeenagappul | 79 | Frenchpark | Kilcolagh | Boyle |
| Carrigeenagappul | 325 | Roscommon | Kilcooley | Strokestown |
| Carrigeenagowna | 196 | Boyle | Boyle | Boyle |
| Carrigeencarragh | 264 | Boyle | Estersnow | Boyle |
| Carrigeenduff | 81 | Roscommon | Aughrim | Carrick on Shannon |
| Carrigeens | 174 | Athlone | Kilmeane | Roscommon |
| Carrigeenynaghtan | 382 | Frenchpark | Kilcolagh | Boyle |
| Carroward | 101 | Boyle | Killukin | Carrick on Shannon |
| Carroward | 209 | Ballintober South | Kilbride | Roscommon |
| Carroward | 90 | Ballintober South | Kilgefin | Roscommon |
| Carroward | 292 | Athlone | Tisrara | Roscommon |
| Carroward | 221 | Roscommon | Lissonuffy | Strokestown |
| Carrowbane | 95 | Frenchpark | Tibohine | Castlereagh |
| Carrowbaun | 130 | Boyle | Kilronan | Boyle |
| Carrowbaun | 239 | Castlereagh | Ballintober | Castlereagh |
| Carrowbaun | 128 | Castlereagh | Baslick | Castlereagh |
| Carrowbaun | 376 | Ballymoe | Cloonygormican | Castlereagh |
| Carrowbaun | 140 | Ballintober South | Kilbride | Roscommon |
| Carrowbeg | 82 | Boyle | Kilronan | Boyle |
| Carrowbehy | 838 | Frenchpark | Tibohine | Castlereagh |
| Carrowboy | 93 | Ballintober South | Kilbride | Roscommon |
| Carrowclogher | 251 | Roscommon | Cloonfinlough | Strokestown |
| Carrowcrin | 29 | Frenchpark | Kilmacumsy | Boyle |
| Carrowcrin | 274 | Ballintober South | Kilbride | Roscommon |
| Carrowcuill | 184 | Ballintober North | Kilmore | Carrick on Shannon |
| Carrowduff & Garbally | 924 | Athlone | Taghmaconnell | Athlone |
| Carrowduff Lower | 333 | Ballymoe | Cloonygormican | Castlereagh |
| Carrowduff Upper | 192 | Ballymoe | Cloonygormican | Castlereagh |
| Carroweighter | 216 | Ballymoe | Oran | Roscommon |
| Carrowgarve | 156 | Castlereagh | Kilkeevin | Castlereagh |
| Carrowgarve | 536 | Frenchpark | Tibohine | Castlereagh |
| Carrowgarve | 200 | Ballymoe | Oran | Roscommon |
| Carrowgarve | 474 | Roscommon | Ogulla | Strokestown |
| Carrowgobbadagh | 94 | Roscommon | Elphin | Strokestown |
| Carrowkeel | 242 | Athlone | Taghboy | Athlone |
| Carrowkeel | 135 | Boyle | Estersnow | Boyle |
| Carrowkeel | 23 | Frenchpark | Kilmacumsy | Boyle |
| Carrowkeel | 138 | Frenchpark | Kilnamanagh | Boyle |
| Carrowkeel | 154 | Castlereagh | Baslick | Castlereagh |
| Carrowkeel | 173 | Castlereagh | Kilkeevin | Castlereagh |
| Carrowkeel | 285 | Athlone | Fuerty | Roscommon |
| Carrowkeel | 38 | Ballintober South | Kilbride | Roscommon |
| Carrowkeel | 156 | Athlone | Rahara | Roscommon |
| Carrowkeel | 122 | Roscommon | Clooncraff | Strokestown |
| Carrowkeel | 78 | Roscommon | Ogulla | Strokestown |
| Carrowkeel Upper | 125 | Roscommon | Clooncraff | Strokestown |
| Carrowkeeny | 348 | Athlone | Kiltoom | Athlone |
| Carrowkeeran | 303 | Athlone | Taghmaconnell | Athlone |
| Carrowmoneen | 135 | Frenchpark | Kilcolagh | Boyle |
| Carrowmoneen | 185 | Ballintober South | Kilgefin | Roscommon |
| Carrowmoney | 421 | Athlone | Rahara | Roscommon |
| Carrowmore | 195 | Athlone | Taghboy | Athlone |
| Carrowmore | 212 | Boyle | Ardcarn | Boyle |
| Carrowmore | 179 | Boyle | Kilbryan | Boyle |
| Carrowmore | 25 | Boyle | Kilronan | Boyle |
| Carrowmore | 456 | Boyle | Killummod | Carrick on Shannon |
| Carrowmore | 127 | Ballintober North | Kilmore | Carrick on Shannon |
| Carrowmore | 166 | Castlereagh | Kilkeevin | Castlereagh |
| Carrowmore | 583 | Ballintober South | Roscommon | Roscommon |
| Carrowmurragh | 791 | Athlone | Kiltoom | Athlone |
| Carrownabrickna | 605 | Ballintober South | Roscommon | Roscommon |
| Carrownadurly | 274 | Athlone | Taghboy | Athlone |
| Carrownagappul | 217 | Boyle | Estersnow | Boyle |
| Carrownagashel | 178 | Boyle | Ardcarn | Boyle |
| Carrownageelaun | 185 | Roscommon | Ogulla | Strokestown |
| Carrownageeloge | 185 | Ballymoe | Oran | Roscommon |
| Carrownageeragh | 295 | Boyle | Boyle | Boyle |
| Carrownaglearagh | 516 | Roscommon | Aughrim | Carrick on Shannon |
| Carrownagullagh | 170 | Roscommon | Kiltrustan | Strokestown |
| Carrownaknockaun | 266 | Frenchpark | Tibohine | Castlereagh |
| Carrownalassan | 1.241 | Ballintober South | Kilbride | Roscommon |
| Carrownamaddy | 427 | Athlone | St. Johns | Athlone |
| Carrownamaddy | 421 | Roscommon | Creeve | Strokestown |
| Carrownamorheeny | 139 | Roscommon | Shankill | Strokestown |
| Carrownanalt | 216 | Boyle | Kilronan | Boyle |
| Carrownaskeagh | 190 | Roscommon | Cloonfinlough | Strokestown |
| Carrownaskeagh | 182 | Roscommon | Ogulla | Strokestown |
| Carrowncaran | 96 | Frenchpark | Kilmacumsy | Boyle |
| Carrowncloghan | 207 | Athlone | Kiltoom | Athlone |
| Carrowncully | 184 | Frenchpark | Kilmacumsy | Boyle |
| Carrowndangan | 323 | Ballymoe | Cloonygormican | Castlereagh |
| Carrownderry | 554 | Athlone | Kiltoom | Athlone |
| Carrowndrisha | 458 | Athlone | Killinvoy | Roscommon |
| Carrowngarry | 77 | Frenchpark | Kilmacumsy | Boyle |
| Carrownolan | 277 | Athlone | Kiltoom | Athlone |
| Carrownrinny | 70 | Roscommon | Kilcooley | Strokestown |
| Carrownrinny | 70 | Roscommon | Killukin | Strokestown |
| Carrownskeheen | 207 | Ballintober North | Kilglass | Strokestown |
| Carrowntarriff | 454 | Athlone | Taghboy | Athlone |
| Carrowntemple | 128 | Athlone | Tisrara | Roscommon |
| Carrowntlieve | 405 | Athlone | Tisrara | Roscommon |
| Carrowntogher | 113 | Frenchpark | Kilmacumsy | Boyle |
| Carrowntogher (o Bogwood) | 200 | Ballintober South | Kilgefin | Roscommon |
| Carrowntoosan | 111 | Roscommon | Ogulla | Strokestown |
| Carrowntornan | 144 | Ballintober South | Kilbride | Roscommon |
| Carrowntryla | 132 | Roscommon | Cloonfinlough | Strokestown |
| Carrownure | 53 | Athlone | Kiltoom | Athlone |
| Carrownure | 129 | Athlone | Taghmaconnell | Ballinasloe |
| Carrownure Lower | 180 | Athlone | St. Johns | Athlone |
| Carrownure Upper | 162 | Athlone | St. Johns | Athlone |
| Carrownurlar | 102 | Frenchpark | Kilnamanagh | Castlereagh |
| Carrownurlar | 86 | Athlone | Taghboy | Roscommon |
| Carrownurlar | 356 | Roscommon | Elphin | Strokestown |
| Carrownvally | 137 | Roscommon | Killukin | Strokestown |
| Carrowphadeen | 544 | Athlone | St. Johns | Athlone |
| Carrowreagh | 682 | Athlone | Taghmaconnell | Ballinasloe |
| Carrowreagh | 655 | Roscommon | Aughrim | Carrick on Shannon |
| Carrowreagh | 385 | Boyle | Killummod | Carrick on Shannon |
| Carrowreagh | 235 | Castlereagh | Ballintober | Castlereagh |
| Carrowreagh | 675 | Castlereagh | Kilcorkey | Castlereagh |
| Carrowreagh | 385 | Frenchpark | Kilnamanagh | Castlereagh |
| Carrowreagh | 237 | Castlereagh | Kiltullagh | Castlereagh |
| Carrowreagh | 464 | Athlone | Athleague | Roscommon |
| Carrowreagh (o Keelcurragh) | 53 | Ballintober South | Kilgefin | Roscommon |
| Carrowroe | 496 | Ballintober South | Roscommon | Roscommon |
| Carrowstellan | 149 | Athlone | Fuerty | Roscommon |
| Cartron | 190 | Athlone | Kiltoom | Athlone |
| Cartron | 163 | Athlone | St. Peter's | Athlone |
| Cartron | 109 | Boyle | Ardcarn | Boyle |
| Cartron | 117 | Frenchpark | Creeve | Carrick on Shannon |
| Cartron | 277 | Boyle | Killummod | Carrick on Shannon |
| Cartron | 58 | Ballymoe | Drumatemple | Castlereagh |
| Cartron | 70 | Ballymoe | Cloonygormican | Roscommon |
| Cartron | 78 | Ballintober South | Kilbride | Roscommon |
| Cartron | 61 | Ballintober South | Kilgefin | Roscommon |
| Cartron | 46 | Athlone | Killinvoy | Roscommon |
| Cartron | 201 | Athlone | Tisrara | Roscommon |
| Cartron | 286 | Roscommon | Elphin | Strokestown |
| Cartron | 65 | Roscommon | Kilcooley | Strokestown |
| Cartron (Brett) | 70 | Ballintober South | Roscommon | Roscommon |
| Cartron (Coote) | 119 | Ballintober South | Roscommon | Roscommon |
| Cartron (Hartland) | 228 | Ballintober North | Kilmore | Carrick on Shannon |
| Cartron (King) | 113 | Ballintober North | Kilmore | Carrick on Shannon |
| Cartron (o Old Glebe) | 54 | Ballintober South | Kilgefin | Roscommon |
| Cartron Beg | 117 | Frenchpark | Tibohine | Castlereagh |
| Cartron More | 392 | Frenchpark | Tibohine | Castlereagh |
| Cartronaglogh | 143 | Boyle | Kilronan | Boyle |
| Cartronagor | 146 | Roscommon | Shankill | Strokestown |
| Cartronavally | 197 | Boyle | Kilronan | Boyle |
| Cartroncaran | 26 | Frenchpark | Kilmacumsy | Boyle |
| Cartroncarrowntogher | 152 | Frenchpark | Kilmacumsy | Boyle |
| Cartronkilly | 194 | Athlone | Dysart | Athlone |
| Cartronperagh | 32 | Athlone | Killinvoy | Roscommon |
| Cashel | 196 | Boyle | Kilronan | Boyle |
| Cashel | 86 | Castlereagh | Kilcorkey | Castlereagh |
| Cashel | 136 | Castlereagh | Kiltullagh | Castlereagh |
| Cashelfinoge (o Lugnamuddagh) | 211 | Boyle | Boyle | Boyle |
| Cashelmeehan | 794 | Ballintober South | Kilbride | Roscommon |
| Cashelnagole | 150 | Castlereagh | Kilcorkey | Castlereagh |
| Casheltauna | 335 | Ballintober South | Kilbride | Roscommon |
| Cashlieve | 281 | Castlereagh | Kiltullagh | Castlereagh |
| Castlecoote | 524 | Athlone | Fuerty | Roscommon |
| Castleland | 265 | Roscommon | Ogulla | Strokestown |
| Castlenode | 220 | Roscommon | Bumlin | Strokestown |
| Castleplunket | Town | Castlereagh | Baslick | Castlereagh |
| Castleplunket | 393 | Castlereagh | Baslick | Castlereagh |
| Castlequarter | 262 | Castlereagh | Kiltullagh | Castlereagh |
| Castlerange | 802 | Athlone | Fuerty | Roscommon |
| Castlerea | Town | Castlereagh | Kilkeevin | Castlereagh |
| Castlereagh | 148 | Castlereagh | Kilkeevin | Castlereagh |
| Castleruby | 271 | Castlereagh | Baslick | Castlereagh |
| Castlesampson | 1.560 | Athlone | Taghmaconnell | Athlone |
| Castleteheen | 575 | Castlereagh | Baslick | Castlereagh |
| Castletension Demense | 600 | Boyle | Kilronan | Boyle |
| Castletown | 70 | Frenchpark | Creeve | Carrick on Shannon |
| Caul | 579 | Ballintober North | Kilglass | Strokestown |
| Cavetown (o Ballynahoogh) | 319 | Boyle | Estersnow | Boyle |
| Chanterland (o Windmillpark) | 103 | Roscommon | Elphin | Strokestown |
| Charlestown | 167 | Ballintober North | Kilmore | Carrick on Shannon |
| Cherryfield (o Drishaghan) | 174 | Roscommon | Shankill | Strokestown |
| Church Hill | 114 | Boyle | Ardcarn | Carrick on Shannon |
| Church Island | 4 | Boyle | Boyle | Boyle |
| Churchacres | 70 | Boyle | Kilronan | Boyle |
| Churchquarter | 99 | Castlereagh | Kiltullagh | Castlereagh |
| Clarary | 181 | Moycarn | Creagh | Ballinasloe |
| Clare | 197 | Roscommon | Cloonfinlough | Strokestown |
| Clashaganny | 59 | Roscommon | Killukin | Strokestown |
| Clashcarragh | 97 | Frenchpark | Tibohine | Castlereagh |
| Cleaboy | 257 | Castlereagh | Ballintober | Castlereagh |
| Cleaghbeg | 37 | Moycarn | Creagh | Ballinasloe |
| Cleaghgarve | 57 | Moycarn | Creagh | Ballinasloe |
| Cleaheen | 681 | Boyle | Tumna | Carrick on Shannon |
| Cleen | 426 | Boyle | Ardcarn | Boyle |
| Cleenraugh | 207 | Frenchpark | Kilmacumsy | Boyle |
| Clegna | 326 | Boyle | Ardcarn | Carrick on Shannon |
| Clerragh | 306 | Boyle | Ardcarn | Boyle |
| Clerragh | 259 | Frenchpark | Tibohine | Castlereagh |
| Cloggaltonroe | 119 | Roscommon | Lissonuffy | Strokestown |
| Cloggarnagh | 407 | Frenchpark | Tibohine | Castlereagh |
| Cloggernagh (o Bellmount) | 50 | Roscommon | Lissonuffy | Strokestown |
| Cloghan | 376 | Athlone | Taghboy | Athlone |
| Cloghans Glebe | 89 | Athlone | Kiltoom | Athlone |
| Clogher | 275 | Boyle | Estersnow | Boyle |
| Clogher | 182 | Ballintober North | Kilmore | Carrick on Shannon |
| Clogher | 135 | Ballymoe | Cloonygormican | Roscommon |
| Clogher Beg | 205 | Roscommon | Elphin | Strokestown |
| Clogher Lower | 244 | Castlereagh | Kiltullagh | Castlereagh |
| Clogher More | 320 | Roscommon | Elphin | Strokestown |
| Clogher Upper | 452 | Castlereagh | Kiltullagh | Castlereagh |
| Cloghnashade | 249 | Athlone | Tisrara | Roscommon |
| Cloomeigh | 230 | Roscommon | Kilcooley | Strokestown |
| Cloonacaltry | 402 | Athlone | Taghmaconnell | Athlone |
| Cloonacarrow | 230 | Frenchpark | Kilnamanagh | Boyle |
| Cloonacarrow | 109 | Boyle | Tumna | Boyle |
| Cloonacolly | 700 | Frenchpark | Tibohine | Castlereagh |
| Cloonadarragh East | 104 | Ballymoe | Drumatemple | Glennamaddy |
| Cloonaddra | 613 | Ballintober South | Cloontuskert | Roscommon |
| Cloonaddron | 732 | Athlone | Taghmaconnell | Ballinasloe |
| Cloonaff | 345 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonageeragh | 560 | Ballintober South | Kilgefin | Roscommon |
| Cloonagh | 360 | Athlone | Taghboy | Athlone |
| Cloonagh | 488 | Frenchpark | Tibohine | Castlereagh |
| Cloonaghbaun | 62 | Boyle | Ardcarn | Boyle |
| Cloonaghbrack | 80 | Moycarn | Creagh | Ballinasloe |
| Cloonagrassan | 351 | Ballymoe | Drumatemple | Castlereagh |
| Cloonahee | 317 | Roscommon | Clooncraff | Strokestown |
| Cloonakille | 274 | Athlone | St. Peter's | Athlone |
| Cloonakilleg | 609 | Athlone | Tisrara | Roscommon |
| Cloonakilly | 135 | Roscommon | Killukin | Strokestown |
| Cloonakilly Beg | 135 | Roscommon | Killukin | Strokestown |
| Cloonakilly More | 206 | Roscommon | Killukin | Strokestown |
| Cloonalis | 214 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonalough | 741 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonamuinia | 201 | Ballymoe | Dunamon | Roscommon |
| Cloonanart Beg | 93 | Roscommon | Kilcooley | Strokestown |
| Cloonanart More | 122 | Roscommon | Kilcooley | Strokestown |
| Cloonard | 355 | Frenchpark | Tibohine | Castlereagh |
| Cloonargid | 563 | Frenchpark | Tibohine | Castlereagh |
| Cloonark | 871 | Athlone | Drum | Athlone |
| Cloonarragh | 496 | Frenchpark | Tibohine | Castlereagh |
| Cloonarragh | 508 | Ballintober South | Kilbride | Roscommon |
| Cloonastiallas | 245 | Roscommon | Killukin | Strokestown |
| Cloonaufill | 221 | Ballintober North | Termonbarry | Strokestown |
| Cloonaufill Island | 2 | Ballintober North | Termonbarry | Strokestown |
| Cloonavery | 143 | Ballintober North | Kilmore | Carrick on Shannon |
| Cloonavindin | 232 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonbard | 659 | Castlereagh | Baslick | Castlereagh |
| Cloonbeggaun | 916 | Moycarn | Moore | Ballinasloe |
| Cloonbigny | 368 | Athlone | Taghmaconnell | Ballinasloe |
| Cloonboley | 440 | Athlone | Drum | Athlone |
| Cloonbonniff | 234 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonbony | 472 | Ballintober South | Kilbride | Roscommon |
| Cloonboyoge | 79 | Roscommon | Shankill | Strokestown |
| Cloonbrackna | 94 | Ballintober South | Roscommon | Roscommon |
| Cloonbunny | 631 | Frenchpark | Tibohine | Castlereagh |
| Cloonburren | 897 | Moycarn | Moore | Ballinasloe |
| Cloonca | 462 | Athlone | Tisrara | Roscommon |
| Clooncah | 109 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncah | 270 | Frenchpark | Tibohine | Castlereagh |
| Clooncah | 566 | Roscommon | Cloonfinlough | Roscommon |
| Clooncah | 338 | Ballintober South | Kilteevan | Roscommon |
| Clooncalgy | 86 | Castlereagh | Kiltullagh | Castlereagh |
| Clooncalgy Beg | 123 | Castlereagh | Kiltullagh | Castlereagh |
| Clooncalgy More | 419 | Castlereagh | Kiltullagh | Castlereagh |
| Clooncan | 1.203 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncashel Beg | 346 | Ballintober South | Kilgefin | Roscommon |
| Clooncashel More | 276 | Ballintober South | Kilgefin | Roscommon |
| Cloonchambers | 733 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncommon Beg | 116 | Ballintober North | Kilmore | Carrick on Shannon |
| Clooncommon More | 330 | Ballintober North | Kilmore | Carrick on Shannon |
| Cloonconny | 92 | Roscommon | Kilbride | Strokestown |
| Cloonconra | 743 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonconra | 221 | Ballintober South | Kilteevan | Roscommon |
| Clooncoose | 171 | Ballintober North | Kilmore | Carrick on Shannon |
| Clooncoose | 86 | Boyle | Tumna | Carrick on Shannon |
| Clooncoose North | 771 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncoose South | 118 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncor | 174 | Roscommon | Kilcooley | Strokestown |
| Clooncoran | 540 | Athlone | Taghmaconnell | Ballinasloe |
| Clooncosker | 165 | Roscommon | Clooncraff | Strokestown |
| Clooncraff | 797 | Ballintober South | Kilteevan | Roscommon |
| Clooncraffield | 291 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncraft | 327 | Roscommon | Clooncraff | Strokestown |
| Clooncran | 115 | Castlereagh | Kilkeevin | Castlereagh |
| Clooncrim | 825 | Castlereagh | Kiltullagh | Castlereagh |
| Clooncruffer | 140 | Boyle | Ardcarn | Boyle |
| Clooncullaan | 644 | Roscommon | Elphin | Strokestown |
| Clooncullaan | 162 | Roscommon | Kilcooley | Strokestown |
| Clooncunny | 394 | Roscommon | Elphin | Strokestown |
| Cloondacarra | 283 | Castlereagh | Kilkeevin | Castlereagh |
| Cloondacarra Beg | 254 | Castlereagh | Kilkeevin | Castlereagh |
| Cloondarah | 280 | Athlone | Tisrara | Roscommon |
| Cloondart | 194 | Frenchpark | Tibohine | Castlereagh |
| Cloonearagh | 339 | Roscommon | Cloonfinlough | Strokestown |
| Clooneen | 56 | Moycarn | Creagh | Ballinasloe |
| Clooneen | 217 | Frenchpark | Kilnamanagh | Boyle |
| Clooneen | 719 | Athlone | Athleague | Roscommon |
| Clooneen | 44 | Athlone | Rahara | Roscommon |
| Clooneen (Blakeny) | 261 | Ballintober North | Kilglass | Strokestown |
| Clooneen (Hartland) | 458 | Roscommon | Kilglass | Strokestown |
| Clooneenbaun | 1.577 | Athlone | Fuerty | Roscommon |
| Clooneenbeg | Town | Athlone | Athleague | Roscommon |
| Clooneigh | 85 | Boyle | Tumna | Carrick on Shannon |
| Clooneigh | 538 | Ballintober South | Kilteevan | Roscommon |
| Clooneigh | 230 | Roscommon | Kilcooley | Strokestown |
| Clooneish | 510 | Moycarn | Moore | Ballinasloe |
| Cloonelly | 82 | Roscommon | Kilbride | Strokestown |
| Cloonelt | 480 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonerk | 180 | Ballintober South | Kilbride | Roscommon |
| Cloonerkaun | 408 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonerkhaun | 408 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonerra | 129 | Roscommon | Cloonfinlough | Strokestown |
| Clooneskert | 188 | Ballintober South | Kilteevan | Roscommon |
| Cloonfad | 681 | Moycarn | Moore | Ballinasloe |
| Cloonfad | 315 | Boyle | Tumna | Carrick on Shannon |
| Cloonfad | 388 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonfad | 637 | Frenchpark | Tibohine | Castlereagh |
| Cloonfad | 550 | Ballintober North | Termonbarry | Strokestown |
| Cloonfad East | 1.090 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonfad More | 370 | Roscommon | Aughrim | Carrick on Shannon |
| Cloonfad West | 354 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonfadbeg | 161 | Roscommon | Aughrim | Carrick on Shannon |
| Cloonfelliv | 471 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonfineen | 309 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonfinglas | 809 | Frenchpark | Tibohine | Castlereagh |
| Cloonfinlough | 401 | Roscommon | Cloonfinlough | Strokestown |
| Cloonfower | 1.215 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonfower | 255 | Ballintober North | Termonbarry | Strokestown |
| Cloonfree | 796 | Roscommon | Cloonfinlough | Strokestown |
| Cloongarvan | 99 | Roscommon | Clooncraff | Strokestown |
| Cloonglasny Beg | 335 | Roscommon | Clooncraff | Strokestown |
| Cloonglasny More | 163 | Roscommon | Clooncraff | Strokestown |
| Cloongowna | 665 | Athlone | Drum | Athlone |
| Cloongownagh | 235 | Boyle | Tumna | Carrick on Shannon |
| Cloongreaghan | 326 | Boyle | Ardcarn | Carrick on Shannon |
| Clooniff | 715 | Moycarn | Moore | Ballinasloe |
| Cloonillan | 465 | Athlone | Drum | Athlone |
| Clooninisclin | 550 | Castlereagh | Kiltullagh | Castlereagh |
| Clooniniselin | 550 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonkeehan East | 156 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonkeehan West | 164 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonkeen | 364 | Athlone | Taghmaconnell | Ballinasloe |
| Cloonkeen | 132 | Boyle | Tumna | Carrick on Shannon |
| Cloonkeen | 1.181 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonkerin | 528 | Frenchpark | Kilcolagh | Boyle |
| Cloonlarge | 330 | Ballintober South | Kilteevan | Roscommon |
| Cloonlatieve | 228 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonlaughnam | 829 | Athlone | Tisrara | Roscommon |
| Cloonlee | 422 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonlish (o Robinhood) | 257 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonmaan | 93 | Boyle | Tumna | Carrick on Shannon |
| Cloonmacmullan | 166 | Frenchpark | Kilnamanagh | Boyle |
| Cloonmagunnaun | 587 | Frenchpark | Kilnamanagh | Castlereagh |
| Cloonmahaan | 179 | Roscommon | Elphin | Strokestown |
| Cloonmaul | 453 | Frenchpark | Tibohine | Castlereagh |
| Cloonmeane | 125 | Ballintober North | Kilmore | Carrick on Shannon |
| Cloonmore | 349 | Ballintober South | Kilteevan | Roscommon |
| Cloonmore | 1.384 | Ballintober North | Termonbarry | Strokestown |
| Cloonmullenan | 93 | Ballymoe | Oran | Roscommon |
| Cloonmullin | 398 | Frenchpark | Tibohine | Castlereagh |
| Cloonmurly | 327 | Ballintober South | Kilteevan | Roscommon |
| Cloonmurray | 273 | Roscommon | Killukin | Strokestown |
| Cloonmustra | 168 | Ballintober South | Cloontuskert | Roscommon |
| Cloonoghil | 455 | Athlone | Taghmaconnell | Athlone |
| Cloonown | 2.469 | Athlone | St. Peter's | Athlone |
| Cloonrabrackan | 203 | Roscommon | Bumlin | Strokestown |
| Cloonradoon | 461 | Roscommon | Bumlin | Strokestown |
| Cloonrane | 278 | Roscommon | Cloonfinlough | Strokestown |
| Cloonree | 394 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonreliagh | 226 | Castlereagh | Kiltullagh | Castlereagh |
| Cloonrollagh | 223 | Athlone | Drum | Athlone |
| Cloonroughan | 388 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonroughan | 426 | Roscommon | Elphin | Strokestown |
| Cloonsellan | 416 | Ballintober South | Kilteevan | Roscommon |
| Cloonshaghan | 338 | Boyle | Estersnow | Boyle |
| Cloonshannagh | 64 | Ballintober North | Kilmore | Carrick on Shannon |
| Cloonshannagh | 607 | Roscommon | Bumlin | Strokestown |
| Cloonshannagh | 309 | Roscommon | Kiltrustan | Strokestown |
| Cloonshannagh | 665 | Ballintober North | Termonbarry | Strokestown |
| Cloonshanville | 929 | Frenchpark | Tibohine | Castlereagh |
| Cloonshask | 324 | Moycarn | Moore | Ballinasloe |
| Cloonshee | 233 | Roscommon | Clooncraff | Strokestown |
| Cloonshee (Connor) | 122 | Ballintober South | Kilgefin | Roscommon |
| Cloonshee (Hartland) | 139 | Ballintober South | Kilgefin | Roscommon |
| Cloonsheever | 875 | Frenchpark | Tibohine | Castlereagh |
| Cloonsillagh | 230 | Ballintober North | Kilmore | Carrick on Shannon |
| Cloonskeeveen | 133 | Boyle | Tumna | Carrick on Shannon |
| Cloonslanor | 392 | Roscommon | Cloonfinlough | Strokestown |
| Cloonsreane | 212 | Roscommon | Killukin | Strokestown |
| Cloonsuck | 343 | Castlereagh | Kilkeevin | Castlereagh |
| Cloontarsna | 258 | Castlereagh | Kilkeevin | Castlereagh |
| Cloonteem | 260 | Ballintober North | Kilmore | Carrick on Shannon |
| Cloontimullan | 224 | Ballintober South | Killeevan | Roscommon |
| Cloontogher | 254 | Ballintober South | Kilteevan | Roscommon |
| Cloontowart | 539 | Frenchpark | Tibohine | Castlereagh |
| Cloontrask | 409 | Castlereagh | Kilkeevin | Castlereagh |
| Cloontuskert | Town | Ballintober South | Cloontuskert | Roscommon |
| Cloontuskert | 820 | Ballintober South | Cloontuskert | Roscommon |
| Cloonulty | 439 | Moycarn | Moore | Ballinasloe |
| Cloonybeirne | 539 | Ballintober South | Roscommon | Roscommon |
| Cloonybeirne | 370 | Roscommon | Killukin | Strokestown |
| Cloonybrennan | 267 | Roscommon | Elphin | Strokestown |
| Cloonybrien | 83 | Boyle | Ardcarn | Boyle |
| Cloonycarran Beg | 13 | Roscommon | Lissonuffy | Strokestown |
| Cloonycarran More | 264 | Roscommon | Lissonuffy | Strokestown |
| Cloonycattan | 170 | Roscommon | Clooncraff | Carrick on Shannon |
| Cloonycolgan | 188 | Ballymoe | Oran | Roscommon |
| Cloonyeffer | 166 | Roscommon | Shankill | Strokestown |
| Cloonykelly | 231 | Athlone | Athleague | Roscommon |
| Cloonykerry | 309 | Castlereagh | Ballintober | Castlereagh |
| Cloonylyon | 202 | Roscommon | Cloonfinlough | Strokestown |
| Cloonyogan | 139 | Roscommon | Killukin | Strokestown |
| Cloonyourish | 264 | Athlone | Fuerty | Roscommon |
| Cloonyquin | 258 | Athlone | Fuerty | Roscommon |
| Cloonyquin | 528 | Roscommon | Elphin | Strokestown |
| Clydagh Lower | 165 | Castlereagh | Kiltullagh | Castlereagh |
| Clydagh Upper | 201 | Castlereagh | Kiltullagh | Castlereagh |
| Coarse Island | 1 | Ballintober North | Kilglass | Strokestown |
| Coffalstack | 100 | Roscommon | Lissonuffy | Strokestown |
| Coggalbeg | 276 | Ballintober South | Kilbride | Strokestown |
| Coggalfortyacres | 165 | Roscommon | Lissonuffy | Strokestown |
| Coggalkeenagh | 94 | Roscommon | Lissonuffy | Strokestown |
| Coggalmore | 86 | Roscommon | Lissonuffy | Strokestown |
| Coggalstack | 100 | Roscommon | Lissonuffy | Strokestown |
| Coggaltonroe | 119 | Roscommon | Lissonuffy | Strokestown |
| Commeen | 79 | Athlone | Dysart | Athlone |
| Commeen | 176 | Roscommon | Clooncraff | Strokestown |
| Commons | 1 | Athlone | Taghboy | Athlone |
| Commons | 80 | Castlereagh | Kiltullagh | Castlereagh |
| Cooladye | 177 | Boyle | Tumna | Boyle |
| Coolagarry | 607 | Athlone | Cam | Athlone |
| Coolagarry | 157 | Frenchpark | Tibohine | Castlereagh |
| Coolaphubble | 133 | Athlone | Kilmeane | Roscommon |
| Coolatinny | 216 | Castlereagh | Kiltullagh | Castlereagh |
| Coolatober | 697 | Athlone | Taghboy | Athlone |
| Coolcam | 243 | Castlereagh | Kiltullagh | Castlereagh |
| Coolderry | 220 | Moycarn | Creagh | Ballinasloe |
| Coolderry | 139 | Moycarn | Moore | Ballinasloe |
| Coolderry | 424 | Athlone | Tisrara | Roscommon |
| Cooldorragh | 119 | Athlone | Dysart | Athlone |
| Coolfree | 472 | Athlone | Taghmaconnell | Ballinasloe |
| Coollusty | 356 | Athlone | Athleague | Roscommon |
| Coolmeen | 247 | Roscommon | Clooncraff | Roscommon |
| Coolmeen | 145 | Athlone | Fuerty | Roscommon |
| Coolnageer | 578 | Athlone | Cam | Athlone |
| Coolnagranshy | 70 | Boyle | Boyle | Boyle |
| Coolougher | 258 | Castlereagh | Kiltullagh | Castlereagh |
| Coolshaghtena | 672 | Ballintober South | Cloontuskert | Roscommon |
| Cooltacker | 84 | Ballintober South | Kilgefin | Roscommon |
| Coolteige | 118 | Ballintober South | Kilbride | Roscommon |
| Cooltona | 116 | Athlone | Kilmeane | Roscommon |
| Coolumber | 396 | Moycarn | Moore | Ballinasloe |
| Cooly | 456 | Athlone | Fuerty | Roscommon |
| Coosaun | 133 | Castlereagh | Kiltullagh | Castlereagh |
| Cootehall | 225 | Boyle | Tumna | Boyle |
| Copse | 226 | Boyle | Boyle | Boyle |
| Corbally | 121 | Roscommon | Kilcooley | Strokestown |
| Corbally (o Ballymore East) | 395 | Boyle | Boyle | Boyle |
| Corbally and Slieve | 1.181 | Ballymoe | Ballynakill | Roscommon |
| Corbally East | 158 | Frenchpark | Creeve | Carrick on Shannon |
| Corbally Middle | 172 | Frenchpark | Creeve | Carrick on Shannon |
| Corbally West | 223 | Frenchpark | Creeve | Carrick on Shannon |
| Corbaun | 151 | Ballintober North | Kilmore | Carrick on Shannon |
| Corbo | 370 | Ballintober South | Kilbride | Roscommon |
| Corboghil | 139 | Roscommon | Cloonfinlough | Strokestown |
| Corboley | 366 | Athlone | Killinvoy | Roscommon |
| Corderry | 212 | Boyle | Ardcarn | Boyle |
| Corderryhugh | 193 | Athlone | Fuerty | Roscommon |
| Cordrehid | 183 | Boyle | Killukin | Carrick on Shannon |
| Cordrumman | 325 | Roscommon | Bumlin | Strokestown |
| Cordrumman | 89 | Roscommon | Kiltrustan | Strokestown |
| Corgarrow | 241 | Roscommon | Kiltrustan | Strokestown |
| Corgarve | 279 | Frenchpark | Creeve | Carrick on Shannon |
| Corgarve | 131 | Athlone | Kilmeane | Roscommon |
| Corglass | 287 | Boyle | Kilronan | Boyle |
| Corgorman | 160 | Boyle | Kilronan | Boyle |
| Corgowan | 172 | Ballintober North | Kilglass | Strokestown |
| Corgullion | 227 | Ballintober North | Kilmore | Carrick on Shannon |
| Corhawny | 157 | Roscommon | Lissonuffy | Strokestown |
| Corkeenagh | 71 | Roscommon | Clooncraff | Strokestown |
| Corker | 141 | Roscommon | Kilcooley | Strokestown |
| Corkip | 132 | Athlone | Taghmaconnell | Athlone |
| Corlis | 151 | Roscommon | Aughrim | Carrick on Shannon |
| Corlis | 537 | Castlereagh | Baslick | Castlereagh |
| Cornabanny | 232 | Castlereagh | Kiltullagh | Castlereagh |
| Cornacarta | 332 | Boyle | Boyle | Boyle |
| Cornafulla | 801 | Athlone | Drum | Athlone |
| Cornagee | 172 | Boyle | Kilronan | Boyle |
| Cornageeha | 311 | Athlone | Cam | Athlone |
| Cornaglia | 490 | Boyle | Boyle | Boyle |
| Cornagrea | 204 | Boyle | Ardcarn | Boyle |
| Cornalee | 617 | Athlone | Cam | Athlone |
| Cornalee | 14 | Athlone | Dysart | Athlone |
| Cornamaddy | 150 | Athlone | Kilmeane | Roscommon |
| Cornamart | 180 | Athlone | Killinvoy | Roscommon |
| Cornameelta | 725 | Boyle | Boyle | Boyle |
| Cornamucklagh | 65 | Boyle | Ardcarn | Boyle |
| Cornamucklagh (o Falmore) | 478 | Castlereagh | Kilcorkey | Castlereagh |
| Cornapallis | 116 | Athlone | Tisrara | Roscommon |
| Cornaseer | 371 | Athlone | Kiltoom | Athlone |
| Cornashinnagh | 238 | Ballintober South | Kilbride | Roscommon |
| Cornasleehan | 157 | Ballintober North | Kilmore | Carrick on Shannon |
| Cornaveagh | 399 | Moycarn | Moore | Ballinasloe |
| Cornaveagh | 371 | Boyle | Estersnow | Boyle |
| Corra More (o Gorteencloogh) | 682 | Athlone | Athleague | Roscommon |
| Corrabaun | 312 | Roscommon | Elphin | Strokestown |
| Corrabeg | 80 | Roscommon | Kilcooley | Strokestown |
| Corraclogh | 190 | Athlone | Kiltoom | Athlone |
| Corracoggil North | 523 | Frenchpark | Tibohine | Castlereagh |
| Corracoggil South | 354 | Frenchpark | Tibohine | Castlereagh |
| Corracreigh | 396 | Roscommon | Elphin | Strokestown |
| Corradrehid | 407 | Ballintober South | Kilbride | Roscommon |
| Corradrehid | 139 | Roscommon | Lissonuffy | Strokestown |
| Corragarve | 136 | Roscommon | Kilcooley | Strokestown |
| Corralara | 198 | Ballintober North | Kilmore | Carrick on Shannon |
| Corralea | 373 | Athlone | Cam | Athlone |
| Corramagrine | 203 | Ballintober North | Termonbarry | Strokestown |
| Corramore | 1.157 | Athlone | Kiltoom | Athlone |
| Corrantotan | 171 | Athlone | Kiltoom | Athlone |
| Corraree (o Ballygatta) | 525 | Athlone | Taghmaconnell | Athlone |
| Corraslira | 365 | Roscommon | Ogulla | Strokestown |
| Corrasluastia | 520 | Castlereagh | Kiltullagh | Castlereagh |
| Corrastoona Beg | 201 | Ballymoe | Drumatemple | Castlereagh |
| Corrastoona More | 327 | Ballymoe | Drumatemple | Castlereagh |
| Corratrench | 88 | Boyle | Ardcarn | Boyle |
| Corraun | 426 | Ballintober North | Termonbarry | Strokestown |
| Corrcommeen | 366 | Frenchpark | Tibohine | Castlereagh |
| Correagh | 55 | Roscommon | Kilcooley | Strokestown |
| Correal | 330 | Athlone | Fuerty | Roscommon |
| Correal | 342 | Athlone | Tisrara | Roscommon |
| Correen | 308 | Moycarn | Moore | Ballinasloe |
| Correenbeg | 399 | Moycarn | Moore | Ballinasloe |
| Corroy | 244 | Frenchpark | Kilmacumsy | Boyle |
| Corroy | 201 | Athlone | Kilmeane | Roscommon |
| Corry | 804 | Roscommon | Aughrim | Carrick on Shannon |
| Corry | 101 | Ballintober North | Kilmore | Carrick on Shannon |
| Corry | 319 | Ballintober South | Kilgefin | Roscommon |
| Corry East | 164 | Roscommon | Shankill | Boyle |
| Corry West | 167 | Roscommon | Shankill | Boyle |
| Corskeagh | 314 | Frenchpark | Tibohine | Castlereagh |
| Corskeagh | 169 | Roscommon | Kiltrustan | Strokestown |
| Cortober | 183 | Boyle | Killukin | Carrick on Shannon |
| Cortrasna | 85 | Boyle | Ardcarn | Boyle |
| Cranberry Island | 386 | Moycarn | Moore | Ballinasloe |
| Crancam | 100 | Athlone | Drum | Athlone |
| Crannagh | 327 | Athlone | Drum | Athlone |
| Crannagh Beg | 204 | Athlone | Drum | Athlone |
| Crannagh More | 403 | Athlone | Drum | Athlone |
| Creagh | 191 | Athlone | Drum | Athlone |
| Creagh | 273 | Moycarn | Creagh | Ballinasloe |
| Creaghnakirka | 72 | Roscommon | Aughrim | Carrick on Shannon |
| Creeharmore | 355 | Athlone | Taghboy | Athlone |
| Creemully & Aghagad Beg | 940 | Athlone | Fuerty | Roscommon |
| Creen (o Tonroe) | 306 | Frenchpark | Kilnamanagh | Boyle |
| Creeve | 192 | Ballymoe | Oran | Roscommon |
| Creeve | 324 | Roscommon | Creeve | Strokestown |
| Creeve | 143 | Roscommon | Shankill | Strokestown |
| Creevelea | 138 | Ballymoe | Cloonygormican | Castlereagh |
| Creevolan | 173 | Frenchpark | Creeve | Carrick on Shannon |
| Creevy | 644 | Frenchpark | Tibohine | Castlereagh |
| Creevyquin | 229 | Ballintober South | Kilteevan | Roscommon |
| Cregga | 480 | Roscommon | Kiltrustan | Strokestown |
| Creggameen | 571 | Castlereagh | Kilkeevin | Castlereagh |
| Creggan | 892 | Athlone | Drum | Athlone |
| Creggan | 390 | Moycarn | Moore | Ballinasloe |
| Creggan | 115 | Athlone | Killinvoy | Roscommon |
| Cregganabeaka | 242 | Athlone | Drum | Athlone |
| Creggancor | 635 | Castlereagh | Kilkeevin | Castlereagh |
| Cregganycarna | 312 | Athlone | Taghmaconnell | Ballinasloe |
| Creggaslin | 120 | Castlereagh | Kilkeevin | Castlereagh |
| Creglahan | 447 | Castlereagh | Kilkeevin | Castlereagh |
| Creta | 112 | Roscommon | Kiltrustan | Strokestown |
| Croghan | 387 | Boyle | Killukin | Boyle |
| Cronin | 202 | Athlone | Taghboy | Athlone |
| Crooderry | 113 | Boyle | Ardcarn | Boyle |
| Crosshill | 261 | Boyle | Kilronan | Boyle |
| Crossna | 203 | Boyle | Ardcarn | Boyle |
| Crowsgap | 84 | Athlone | Kilmeane | Roscommon |
| Cruit | 49 | Athlone | Kilmeane | Roscommon |
| Crunkill | 105 | Ballintober North | Kilglass | Strokestown |
| Cuilbalkeen | 218 | Boyle | Kilronan | Boyle |
| Cuilbeg | 332 | Ballintober North | Termonbarry | Strokestown |
| Cuilfadda and Derrinshin | 530 | Athlone | Taghmaconnell | Athlone |
| Cuilglass | 42 | Athlone | Drum | Athlone |
| Cuilkeel | 106 | Boyle | Kilronan | Boyle |
| Cuillard | 144 | Boyle | Kilronan | Boyle |
| Cuillawinnia | 282 | Athlone | Tisrara | Roscommon |
| Cuilleen | 49 | Athlone | Drum | Athlone |
| Cuilleen | 1.115 | Moycarn | Creagh | Ballinasloe |
| Cuilleenirwan | 400 | Athlone | Dysart | Athlone |
| Cuilleenoolagh | 526 | Athlone | Dysart | Athlone |
| Cuilmore | 516 | Athlone | Taghmaconnell | Athlone |
| Cuilmore | 26 | Boyle | Ardcarn | Boyle |
| Cuilmore | 243 | Roscommon | Clooncraff | Strokestown |
| Cuilmore | 165 | Roscommon | Kiltrustan | Strokestown |
| Cuilnakeava | 126 | Athlone | Taghboy | Roscommon |
| Cuilrevagh | 418 | Roscommon | Kiltrustan | Strokestown |
| Cuiltaboolie | 144 | Boyle | Ardcarn | Boyle |
| Cuiltyboe | 227 | Frenchpark | Tibohine | Castlereagh |
| Cuiltyconeen | 137 | Boyle | Tumna | Carrick on Shannon |
| Cuiltyconway | 163 | Ballintober North | Kilmore | Carrick on Shannon |
| Cuiltygower | 170 | Boyle | Kilronan | Boyle |
| Cuiltyshinnoge | 234 | Ballintober North | Kilmore | Carrick on Shannon |
| Culkeen | 354 | Castlereagh | Kiltullagh | Castlereagh |
| Culleenaghamore | 662 | Ballintober North | Kilglass | Strokestown |
| Culleenanory | 167 | Roscommon | Lissonuffy | Strokestown |
| Culleenatreen (o Flagford) | 185 | Boyle | Killummod | Carrick on Shannon |
| Culleenrevagh | 212 | Roscommon | Aughrim | Carrick on Shannon |
| Culliagh Lower | 238 | Roscommon | Bumlin | Strokestown |
| Culliagh Upper | 180 | Roscommon | Bumlin | Strokestown |
| Culliagharny | 579 | Moycarn | Creagh | Ballinasloe |
| Culliaghbeg | 525 | Moycarn | Creagh | Ballinasloe |
| Culliaghmore | 1.651 | Moycarn | Moore | Ballinasloe |
| Culliaghy | 45 | Ballintober South | Cloontuskert | Roscommon |
| Curragh | 109 | Castlereagh | Kiltullagh | Castlereagh |
| Curraghadoon | 256 | Athlone | Taghboy | Athlone |
| Curraghagower | 358 | Moycarn | Moore | Ballinasloe |
| Curraghalaher | 97 | Athlone | St. Johns | Athlone |
| Curraghaleen | 439 | Athlone | Drum | Athlone |
| Curraghard | 319 | Frenchpark | Tibohine | Castlereagh |
| Curraghboy | Town | Athlone | Cam | Athlone |
| Curraghboy | 743 | Athlone | Cam | Athlone |
| Curraghduffy | 80 | Roscommon | Lissonuffy | Strokestown |
| Curraghnaboley | 71 | Boyle | Kilronan | Boyle |
| Curraghnaboll | 410 | Athlone | Drum | Athlone |
| Curraghnaveen | 123 | Athlone | Rahara | Roscommon |
| Curraghroe | 146 | Roscommon | Lissonuffy | Strokestown |
| Curraghsallagh | 1.099 | Frenchpark | Tibohine | Swineford |
| Curreentorpan | 347 | Frenchpark | Tibohine | Castlereagh |
| Curry | 861 | Athlone | Cam | Athlone |
| Curry | 956 | Athlone | Kilmeane | Roscommon |
| Curry | 136 | Roscommon | Clooncraff | Strokestown |
| Curry | 102 | Roscommon | Cloonfinlough | Strokestown |
| Curry | 219 | Roscommon | Kiltrustan | Strokestown |
| Curryroe | 195 | Athlone | Drum | Athlone |
| Dacklin | 191 | Boyle | Killummod | Carrick on Shannon |
| Danesfort | 385 | Boyle | Killummod | Carrick on Shannon |
| Dangan (King) | 170 | Ballintober North | Kilmore | Carrick on Shannon |
| Dangan (Nugent) | 308 | Ballintober North | Kilmore | Carrick on Shannon |
| Davis's Island | 38 | Boyle | Tumna | Boyle |
| Deanery | 92 | Roscommon | Elphin | Strokestown |
| Deerpark | 794 | Boyle | Boyle | Boyle |
| Deerpark | 69 | Boyle | Killukin | Carrick on Shannon |
| Deerpark | 31 | Boyle | Killummod | Carrick on Shannon |
| Deerpark | 103 | Castlereagh | Kilcorkey | Castlereagh |
| Demesne | 1.499 | Boyle | Ardcarn | Boyle |
| Demesne | 103 | Boyle | Boyle | Boyle |
| Demesne | 436 | Boyle | Kilbryan | Boyle |
| Demesne | 557 | Castlereagh | Kilkeevin | Castlereagh |
| Dergraw | 285 | Boyle | Ardcarn | Carrick on Shannon |
| Derinshin and Cuilfadda (o Cuilfada) | 530 | Athlone | Taghmaconnell | Athlone |
| Derrane | 818 | Ballintober South | Kilbride | Roscommon |
| Derraun | 157 | Boyle | Killummod | Carrick on Shannon |
| Derreen | 149 | Boyle | Tumna | Carrick on Shannon |
| Derreen | 250 | Castlereagh | Kilcorkey | Castlereagh |
| Derreen | 129 | Castlereagh | Kilkeevin | Castlereagh |
| Derreen | 196 | Roscommon | Cloonfinlough | Strokestown |
| Derreen Island | 1 | Roscommon | Clooncraff | Strokestown |
| Derreenacoosan | 110 | Boyle | Ardcarn | Boyle |
| Derreenadouglas | 406 | Boyle | Ardcarn | Boyle |
| Derreenagan | 146 | Boyle | Kilbryan | Boyle |
| Derreenagarry | 127 | Boyle | Ardcarn | Boyle |
| Derreenahinch | 84 | Boyle | Ardcarn | Boyle |
| Derreenamackaun | 244 | Frenchpark | Tibohine | Castlereagh |
| Derreenanannagh | 197 | Boyle | Ardcarn | Carrick on Shannon |
| Derreenanarry | 127 | Boyle | Ardcarn | Boyle |
| Derreenargan | 451 | Boyle | Ardcarn | Boyle |
| Derreenasalt | 93 | Boyle | Ardcarn | Boyle |
| Derreenaseer | 190 | Boyle | Ardcarn | Boyle |
| Derreenasoo | 325 | Boyle | Tumna | Carrick on Shannon |
| Derreenatawy | 83 | Boyle | Ardcarn | Boyle |
| Derreenavicara | 149 | Boyle | Kilronan | Boyle |
| Derreenavoggy | 389 | Boyle | Kilronan | Boyle |
| Derreendooey | 163 | Boyle | Ardcarn | Boyle |
| Derreendorragh | 109 | Castlereagh | Kiltullagh | Castlereagh |
| Derreenine | 368 | Boyle | Ardcarn | Boyle |
| Derreenteige | 244 | Castlereagh | Kiltullagh | Castlereagh |
| Derreentunny | 100 | Boyle | Kilbryan | Boyle |
| Derrinea | 282 | Frenchpark | Tibohine | Castlereagh |
| Derrineel | 543 | Moycarn | Moore | Ballinasloe |
| Derrineel | 214 | Athlone | Athleague | Roscommon |
| Derrinisky | 146 | Boyle | Kilronan | Boyle |
| Derrinlurg | 218 | Athlone | Tisrara | Roscommon |
| Derrinturk | 125 | Ballintober South | Kilteevan | Roscommon |
| Derry | 170 | Frenchpark | Tibohine | Castlereagh |
| Derrycahill | 501 | Athlone | Dysart | Athlone |
| Derrycanan | 436 | Ballintober South | Kilbride | Roscommon |
| Derrycarbry | 271 | Ballintober South | Kilteevan | Roscommon |
| Derrycashel | 256 | Boyle | Ardcarn | Boyle |
| Derrycashel | 849 | Roscommon | Lissonuffy | Strokestown |
| Derrycashel (o Bridgecartron) | 362 | Boyle | Ardcarn | Boyle |
| Derrycoagh | 114 | Frenchpark | Kilnamanagh | Boyle |
| Derryconny | 64 | Ballintober South | Kilbride | Roscommon |
| Derrydonnell | 207 | Ballintober South | Roscommon | Roscommon |
| Derryfeacle | 134 | Ballintober North | Kilglass | Strokestown |
| Derrygirraun | 392 | Boyle | Ardcarn | Carrick on Shannon |
| Derryglad | 228 | Athlone | Cam | Athlone |
| Derryhanee | 348 | Roscommon | Lissonuffy | Strokestown |
| Derryharraun East | 130 | Castlereagh | Kiltullagh | Castlereagh |
| Derryharraun West | 259 | Castlereagh | Kiltullagh | Castlereagh |
| Derryherk | 365 | Boyle | Ardcarn | Boyle |
| Derrylahan | 897 | Moycarn | Moore | Ballinasloe |
| Derrylahan | 256 | Castlereagh | Kiltullagh | Castlereagh |
| Derrylahan | 250 | Frenchpark | Tibohine | Castlereagh |
| Derrylow | 424 | Boyle | Killukin | Boyle |
| Derrymacstur | 143 | Ballintober North | Kilglass | Strokestown |
| Derrymaquirk | 281 | Boyle | Boyle | Boyle |
| Derrymoylin | 476 | Ballintober North | Termonbarry | Strokestown |
| Derrynadooey | 147 | Boyle | Kilronan | Boyle |
| Derrynagallion | 46 | Boyle | Kilronan | Boyle |
| Derrynasee | 296 | Athlone | Kiltoom | Athlone |
| Derrynaskineen | 46 | Boyle | Ardcarn | Boyle |
| Derryonogh | 157 | Ballintober North | Termonbarry | Strokestown |
| Derryphatten | 151 | Roscommon | Killukin | Strokestown |
| Derryquirk | 227 | Roscommon | Kilcooley | Strokestown |
| Derryvung | 309 | Castlereagh | Kiltullagh | Castlereagh |
| Derryvunny | 184 | Boyle | Kilbryan | Boyle |
| Derrywanna | 95 | Boyle | Kilbryan | Boyle |
| Devenish Island | 20 | Moycarn | Moore | Ballinasloe |
| Dockery's Island | 1 | Ballintober North | Kilglass | Strokestown |
| Dogs Island | 1 | Athlone | Kilmeane | Roscommon |
| Dolanstown Kilcashel | 199 | Moycarn | Moore | Ballinasloe |
| Dooan | 66 | Ballintober North | Kilglass | Strokestown |
| Doogary | 306 | Boyle | Ardcarn | Boyle |
| Doogarymore | 260 | Ballintober South | Kilteevan | Roscommon |
| Dooghan | 557 | Athlone | Drum | Athlone |
| Dooherty | 310 | Ballintober South | Kilbride | Roscommon |
| Doon | 761 | Boyle | Boyle | Boyle |
| Doon | 242 | Roscommon | Killukin | Strokestown |
| Doonahaha | 45 | Roscommon | Lissonuffy | Strokestown |
| Doonard Beg | 140 | Roscommon | Kiltrustan | Strokestown |
| Doonard More | 275 | Roscommon | Kiltrustan | Strokestown |
| Dooneen | 861 | Frenchpark | Kilcolagh | Boyle |
| Dooneen | 393 | Roscommon | Clooncraff | Carrick on Shannon |
| Dooneen | 79 | Ballymoe | Cloonygormican | Castlereagh |
| Dooslattagh | 485 | Ballintober North | Kilglass | Strokestown |
| Doovoge | 182 | Athlone | St. Peter's | Athlone |
| Dorrary | 192 | Boyle | Tumna | Carrick on Shannon |
| Doughil | 666 | Roscommon | Cloonfinlough | Strokestown |
| Doughloon | 60 | Roscommon | Kiltrustan | Strokestown |
| Dower | 106 | Frenchpark | Kilnamanagh | Castlereagh |
| Drimnagh | 230 | Roscommon | Ogulla | Strokestown |
| Drinagh | 1.323 | Roscommon | Lissonuffy | Strokestown |
| Drinaun | 470 | Roscommon | Elphin | Strokestown |
| Driney | 520 | Frenchpark | Tibohine | Castlereagh |
| Drishaghan (o Cherryfield) | 174 | Roscommon | Shankill | Strokestown |
| Drishaghaun | 375 | Frenchpark | Kilcolagh | Boyle |
| Drishaghaun East | 176 | Castlereagh | Baslick | Castlereagh |
| Drishaghaun West | 166 | Castlereagh | Baslick | Castlereagh |
| Drishoge | 79 | Boyle | Killukin | Carrick on Shannon |
| Dromore | 126 | Boyle | Kilronan | Boyle |
| Dromore | 176 | Boyle | Tumna | Carrick on Shannon |
| Drum | 20 | Athlone | Drum | Athlone |
| Drum (o Warren) | 581 | Boyle | Boyle | Boyle |
| Drumagissaun | 197 | Ballintober North | Kilglass | Strokestown |
| Drumalagagh | 832 | Moycarn | Moore | Ballinasloe |
| Drumaloughr | 424 | Castlereagh | Kilkeevin | Castlereagh |
| Drumamoodan | 135 | Roscommon | Aughrim | Carrick on Shannon |
| Drumanilra (o Annag) | 166 | Boyle | Kilbryan | Boyle |
| Drumanilra (o Mounteagle) | 312 | Boyle | Tumna | Carrick on Shannon |
| Drumanone | 155 | Boyle | Boyle | Boyle |
| Drumastemple | 264 | Ballymoe | Drumatemple | Castlereagh |
| Drumatybonniff | 110 | Boyle | Tumna | Carrick on Shannon |
| Drumboylan | 207 | Boyle | Tumna | Carrick on Shannon |
| Drumbrick | 185 | Boyle | Ardcarn | Carrick on Shannon |
| Drumbrisny | 175 | Boyle | Tumna | Carrick on Shannon |
| Drumcleavry | 140 | Ballintober North | Kilmore | Carrick on Shannon |
| Drumcormick | 117 | Boyle | Ardcarn | Boyle |
| Drumdaff | 73 | Boyle | Kilronan | Boyle |
| Drumdaff | 276 | Ballintober South | Kilbride | Roscommon |
| Drumdoe | 449 | Boyle | Boyle | Boyle |
| Drumercool | 163 | Boyle | Killukin | Carrick on Shannon |
| Drumerr | 187 | Boyle | Killummod | Carrick on Shannon |
| Drumharlow | 144 | Boyle | Tumna | Boyle |
| Druminagh | 172 | Frenchpark | Tibohine | Castlereagh |
| Drumlahard | 236 | Boyle | Tumna | Carrick on Shannon |
| Drumlion | 241 | Boyle | Killukin | Carrick on Shannon |
| Drumlish | 347 | Roscommon | Clooncraff | Strokestown |
| Drumlosh | 1.493 | Athlone | Drum | Athlone |
| Drummad | 548 | Frenchpark | Tibohine | Castlereagh |
| Drumman | 117 | Roscommon | Elphin | Strokestown |
| Drumman Beg | 204 | Ballintober North | Kilglass | Strokestown |
| Drumman More | 548 | Ballintober North | Kilglass | Strokestown |
| Drummans Island | 37 | Boyle | Kilbryan | Boyle |
| Drummin | 265 | Castlereagh | Kilcorkey | Castlereagh |
| Drummod | 239 | Roscommon | Clooncraff | Strokestown |
| Drummullin | 94 | Roscommon | Clooncraff | Strokestown |
| Drumshannagh | 153 | Boyle | Boyle | Boyle |
| Drumsillagh | 140 | Boyle | Tumna | Boyle |
| Drumsillagh | 278 | Boyle | Ardcarn | Carrick on Shannon |
| Dundermot | 224 | Ballymoe | Drumatemple | Castlereagh |
| Dundonnell | 393 | Athlone | Taghmaconnell | Ballinasloe |
| Dungar | 36 | Frenchpark | Tibohine | Castlereagh |
| Dunmurraghoe | 75 | Roscommon | Elphin | Strokestown |
| Eden | 422 | Frenchpark | Tibohine | Castlereagh |
| Edenan | 42 | Roscommon | Shankill | Strokestown |
| Edenan and Kinclare | 624 | Roscommon | Shankill | Boyle |
| Elphin | Town | Roscommon | Elphin | Strokestown |
| Elphin | 787 | Roscommon | Elphin | Strokestown |
| Emlagh | 261 | Frenchpark | Kilnamanagh | Boyle |
| Emlagh | 134 | Boyle | Tumna | Boyle |
| Emlagh | 458 | Castlereagh | Baslick | Castlereagh |
| Emlagh | 231 | Castlereagh | Kilkeevin | Castlereagh |
| Emlagh | 182 | Roscommon | Elphin | Strokestown |
| Emlagh Beg | 231 | Ballymoe | Oran | Roscommon |
| Emlagh More | 664 | Ballymoe | Oran | Roscommon |
| Emlaghglasny | 363 | Ballymoe | Ballynakill | Castlereagh |
| Emlaghkeadew | 548 | Athlone | Fuerty | Roscommon |
| Emlaghnagree | 267 | Ballymoe | Oran | Roscommon |
| Emlaghyroyin | 417 | Ballymoe | Dunamon | Roscommon |
| Emmoo | 247 | Ballintober South | Roscommon | Roscommon |
| Enagh | 277 | Boyle | Killukin | Boyle |
| Enfield | 413 | Castlereagh | Ballintober | Castlereagh |
| Erenagh | 154 | Ballintober South | Cloontuskert | Roscommon |
| Erra | 854 | Roscommon | Lissonuffy | Strokestown |
| Erriblagh | 177 | Frenchpark | Creeve | Carrick on Shannon |
| Errick Beg | 47 | Athlone | Tisrara | Roscommon |
| Errick More | 129 | Athlone | Tisrara | Roscommon |
| Errironagh | 367 | Boyle | Ardcarn | Boyle |
| Erris | 323 | Boyle | Boyle | Boyle |
| Errit | 1.203 | Frenchpark | Tibohine | Castlereagh |
| Esker | 260 | Athlone | Taghmaconnell | Athlone |
| Esker Beg | 176 | Athlone | Taghmaconnell | Athlone |
| Eskerbaun | 490 | Athlone | Cam | Athlone |
| Estersnow | 216 | Boyle | Estersnow | Boyle |
| Evikeens | 198 | Boyle | Boyle | Boyle |
| Fairymount | 676 | Ballintober South | Kilgefin | Roscommon |
| Falledeen | 104 | Castlereagh | Kiltullagh | Castlereagh |
| Falmore & Cornamucklagh | 478 | Castlereagh | Kilcorkey | Castlereagh |
| Falsk | 198 | Roscommon | Killukin | Strokestown |
| Faltia | 432 | Moycarn | Moore | Ballinasloe |
| Farbreagues | 222 | Athlone | Kilmeane | Roscommon |
| Farnbeg | 189 | Roscommon | Bumlin | Strokestown |
| Farnmore | 173 | Roscommon | Cloonfinlough | Strokestown |
| Farranagalliagh | 98 | Boyle | Estersnow | Boyle |
| Farranagalliagh East | 49 | Boyle | Ardcarn | Boyle |
| Farranagalliagh West | 42 | Boyle | Ardcarn | Boyle |
| Farranawillin | 100 | Castlereagh | Baslick | Castlereagh |
| Farrankelly | 419 | Athlone | Fuerty | Roscommon |
| Faus | 574 | Boyle | Estersnow | Boyle |
| Fawnanierin | 146 | Boyle | Kilbryan | Boyle |
| Feacle | 459 | Athlone | Taghmaconnell | Athlone |
| Feamore | 123 | Athlone | Kiltoom | Athlone |
| Fearagh | 901 | Athlone | Kilmeane | Roscommon |
| Fearagh (Caddell) | 227 | Ballintober North | Kilmore | Carrick on Shannon |
| Fearagh (Mahon) | 264 | Ballintober North | Kilmore | Carrick on Shannon |
| Fearaghafin | 88 | Ballymoe | Oran | Roscommon |
| Fearmore | 50 | Ballintober South | Kilbride | Roscommon |
| Feenagh (o Tonroe) | 217 | Frenchpark | Kilnamanagh | Boyle |
| Feevagh | 120 | Athlone | Dysart | Athlone |
| Feevagh Beg | 244 | Athlone | Dysart | Athlone |
| Feevagh More | 954 | Athlone | Dysart | Athlone |
| Ferrinch Island | 3 | Ballintober South | Cloontuskert | Roscommon |
| Fiddaun | 180 | Castlereagh | Kiltullagh | Castlereagh |
| Figh | 734 | Frenchpark | Tibohine | Castlereagh |
| Finisclin | 527 | Boyle | Estersnow | Boyle |
| Finnor | 365 | Boyle | Killummod | Carrick on Shannon |
| Flagford (o Culleenatreen) | 185 | Boyle | Killummod | Carrick on Shannon |
| Flanafreeson (o Goat Island) | 1 | Roscommon | Clooncraff | Strokestown |
| Flaskagh Beg | 87 | Roscommon | Elphin | Strokestown |
| Flaskagh More | 191 | Roscommon | Elphin | Strokestown |
| Flegans | 32 | Athlone | Kiltoom | Athlone |
| Foghanagh Beg | 148 | Ballymoe | Drumatemple | Castlereagh |
| Foghanagh More | 268 | Ballymoe | Drumatemple | Castlereagh |
| Fortaugustus | 83 | Castlereagh | Kiltullagh | Castlereagh |
| Fostragh | 320 | Boyle | Ardcarn | Boyle |
| Foughil | 527 | Castlereagh | Kilkeevin | Castlereagh |
| Foxborough | 403 | Castlereagh | Kiltullagh | Castlereagh |
| Foxborough | 330 | Roscommon | Elphin | Strokestown |
| Foxhill | 147 | Boyle | Tumna | Carrick on Shannon |
| Frenchlawn | 413 | Castlereagh | Ballintober | Castlereagh |
| Frenchpark | Town | Frenchpark | Tibohine | Castlereagh |
| Frenchpark Demense | 1.134 | Frenchpark | Tibohine | Castlereagh |
| Fuerty | Town | Athlone | Fuerty | Roscommon |
| Fuerty | 216 | Athlone | Fuerty | Roscommon |
| Funshinagh | 218 | Athlone | Tisrara | Roscommon |
| Funshinagh (Madden) | 241 | Athlone | Tisrara | Roscommon |
| Funshinagh (Trench) | 309 | Athlone | Tisrara | Roscommon |
| Galey | 439 | Athlone | Killinvoy | Roscommon |
| Galey Beg | 295 | Athlone | St. Johns | Athlone |
| Gallagh | 230 | Ballintober South | Cloontuskert | Roscommon |
| Gallowstown (o Lisnacroghy) | 229 | Ballintober South | Roscommon | Roscommon |
| Ganaveens | 59 | Athlone | Rahara | Roscommon |
| Garbally and Carrowduff | 924 | Athlone | Taghmaconnell | Athlone |
| Gardenstown | 207 | Ballintober South | Cloontuskert | Roscommon |
| Gardenstown (o Legvoy) | 176 | Boyle | Killukin | Carrick on Shannon |
| Garranlahan Beg | 128 | Castlereagh | Kiltullagh | Castlereagh |
| Garranlahan More | 171 | Castlereagh | Kiltullagh | Castlereagh |
| Garrow | 689 | Boyle | Boyle | Boyle |
| Garrowlougher | 121 | Boyle | Tumna | Boyle |
| Garryglass | 92 | Roscommon | Bumlin | Strokestown |
| Garrymona Island | 9 | Ballintober North | Kilmore | Carrick on Shannon |
| Garrynagawna | 427 | Athlone | Drum | Athlone |
| Garrynagawna Bog and Carrickynaghtan | 973 | Athlone | Drum | Athlone |
| Garrynagran | 336 | Athlone | Taghboy | Athlone |
| Garrynphort | 388 | Athlone | Cam | Athlone |
| Garrynphort | 116 | Athlone | Taghboy | Athlone |
| Garrynphort | 188 | Roscommon | Shankill | Castlereagh |
| Giddaun | 55 | Boyle | Kilronan | Boyle |
| Gillstown | 193 | Ballintober North | Kilglass | Strokestown |
| Glasdrumman | 111 | Boyle | Kilronan | Boyle |
| Glebe | 33 | Boyle | Ardcarn | Boyle |
| Glebe | 35 | Boyle | Boyle | Boyle |
| Glebe | 81 | Boyle | Kilronan | Boyle |
| Glebe | 30 | Roscommon | Aughrim | Carrick on Shannon |
| Glebe | 21 | Boyle | Killukin | Carrick on Shannon |
| Glebe | 37 | Athlone | Athleague | Roscommon |
| Glebe | 32 | Athlone | Fuerty | Roscommon |
| Glebe | 56 | Athlone | Killinvoy | Roscommon |
| Glebe | 23 | Ballintober North | Kilglass | Strokestown |
| Glebe | 26 | Ballintober North | Termonbarry | Strokestown |
| Glebe East | 34 | Frenchpark | Tibohine | Castlereagh |
| Glebe West | 35 | Frenchpark | Tibohine | Castlereagh |
| Glen | 40 | Ballintober North | Kilglass | Strokestown |
| Glenballythomas | 835 | Roscommon | Ogulla | Strokestown |
| Glenfin | 43 | Athlone | Rahara | Roscommon |
| Glenmore | 316 | Athlone | Taghmaconnell | Ballinasloe |
| Glenmore | 35 | Castlereagh | Kiltullagh | Castlereagh |
| Glennameeltoge (o Midgefield) | 90 | Roscommon | Cloonfinlough | Strokestown |
| Glennanammer | 177 | Athlone | Athleague | Roscommon |
| Glennanea | 262 | Athlone | Taghmaconnell | Athlone |
| Glenrevagh | 165 | Athlone | Taghboy | Athlone |
| Glenrevagh | 170 | Athlone | Kilmeane | Roscommon |
| Glentaun | 224 | Moycarn | Creagh | Ballinasloe |
| Glenties | 83 | Castlereagh | Kiltullagh | Castlereagh |
| Glenvela | 266 | Castlereagh | Baslick | Castlereagh |
| Glooria | 177 | Boyle | Estersnow | Boyle |
| Glooria | 199 | Boyle | Ardcarn | Carrick on Shannon |
| Goat Island (o Flanafreeson) | 1 | Roscommon | Clooncraff | Strokestown |
| Gort and Killiaghan | 764 | Athlone | St. Johns | Athlone |
| Gortacarnan | 49 | Athlone | Rahara | Roscommon |
| Gortacoosan | 138 | Athlone | Kiltoom | Athlone |
| Gortaganny | 443 | Frenchpark | Tibohine | Castlereagh |
| Gortaganny | 82 | Athlone | Rahara | Roscommon |
| Gortamarle | 101 | Castlereagh | Kiltullagh | Castlereagh |
| Gortanabla | 406 | Athlone | Taghmaconnell | Ballinasloe |
| Gortaphuill | 40 | Athlone | Cam | Athlone |
| Gortaphuill | 255 | Athlone | Taghboy | Athlone |
| Gortboy | 41 | Castlereagh | Ballintober | Castlereagh |
| Gortcloonagh | 199 | Ballymoe | Cloonygormican | Roscommon |
| Gorteenacammadil | 480 | Castlereagh | Kiltullagh | Castlereagh |
| Gorteenbrack | 94 | Athlone | Fuerty | Roscommon |
| Gorteencloogh (o Corra More) | 682 | Athlone | Athleague | Roscommon |
| Gortfree and Inchiroe | 263 | Athlone | Cam | Athlone |
| Gortgallan | 482 | Ballintober South | Cloontuskert | Roscommon |
| Gorticmeelra | 14 | Ballymoe | Oran | Roscommon |
| Gortleck | 96 | Boyle | Tumna | Carrick on Shannon |
| Gortlustia | 118 | Roscommon | Bumlin | Strokestown |
| Gortmore | 54 | Athlone | Fuerty | Roscommon |
| Gortnacloy | 435 | Frenchpark | Kilmacumsy | Boyle |
| Gortnacrannagh | 324 | Roscommon | Shankill | Strokestown |
| Gortnadarra | 63 | Athlone | Rahara | Roscommon |
| Gortnagoyne | 250 | Castlereagh | Kilcorkey | Castlereagh |
| Gortnasharoge | 194 | Moycarn | Creagh | Ballinasloe |
| Gortnasharvoge | 194 | Moycarn | Creagh | Ballinasloe |
| Gortnasillagh | 426 | Castlereagh | Baslick | Castlereagh |
| Gortnasoolboy | 119 | Athlone | Cam | Athlone |
| Gortnasythe | 219 | Athlone | Cam | Athlone |
| Gorttoose | 253 | Roscommon | Bumlin | Strokestown |
| Gortyleane | 107 | Ballintober South | Kilgefin | Roscommon |
| Graffoge | 483 | Roscommon | Bumlin | Strokestown |
| Gragullagh | 72 | Roscommon | Aughrim | Carrick on Shannon |
| Grallagh | 392 | Frenchpark | Tibohine | Castlereagh |
| Grallagh | 295 | Roscommon | Elphin | Strokestown |
| Grallagh Beg | 120 | Boyle | Boyle | Boyle |
| Grallagh More | 240 | Boyle | Boyle | Boyle |
| Granaghan (Dillon) | 477 | Roscommon | Lissonuffy | Strokestown |
| Granaghan (Martin) | 356 | Roscommon | Lissonuffy | Strokestown |
| Grange | 1.018 | Athlone | Cam | Athlone |
| Grange | 271 | Roscommon | Aughrim | Carrick on Shannon |
| Grange | 390 | Castlereagh | Kiltullagh | Castlereagh |
| Grange | 1.578 | Ballintober South | Kilbride | Roscommon |
| Grange | 246 | Roscommon | Kiltrustan | Strokestown |
| Grange | 102 | Roscommon | Ogulla | Strokestown |
| Grange Beg | 545 | Boyle | Boyle | Boyle |
| Grange More | 509 | Boyle | Boyle | Boyle |
| Granny | 504 | Boyle | Estersnow | Boyle |
| Greagh | 192 | Boyle | Kilronan | Boyle |
| Greaghacorra | 94 | Boyle | Kilronan | Boyle |
| Greaghnafarna | 298 | Boyle | Kilronan | Boyle |
| Greaghnageeragh | 316 | Boyle | Kilronan | Boyle |
| Greaghnaglogh | 318 | Boyle | Kilronan | Boyle |
| Greaghnaleava Beg | 75 | Boyle | Kilronan | Boyle |
| Greaghnaleava More | 83 | Boyle | Kilronan | Boyle |
| Greatmeadow | 105 | Boyle | Boyle | Boyle |
| Green Island | 1 | Boyle | Ardcarn | Boyle |
| Grevisk | 146 | Boyle | Ardcarn | Boyle |
| Greyfield | 189 | Boyle | Kilronan | Boyle |
| Gubbarudda | 357 | Boyle | Kilronan | Boyle |
| Harepark | 68 | Boyle | Boyle | Boyle |
| Harristown | 394 | Castlereagh | Kilkeevin | Castlereagh |
| Heathfield | 263 | Castlereagh | Baslick | Castlereagh |
| Hermit Island | 1 | Boyle | Kilbryan | Boyle |
| Highbog | 141 | Athlone | Rahara | Roscommon |
| Highlake (o Ardlagheen More) | 528 | Ballymoe | Cloonygormican | Castlereagh |
| Hillsend | 74 | Moycarn | Moore | Ballinasloe |
| Hillstreet | Town | Roscommon | Aughrim | Carrick on Shannon |
| Hillstreet | Town | Ballintober North | Kilmore | Carrick on Shannon |
| Hogs Island | 10 | Boyle | Boyle | Boyle |
| Hollymount (o Knockaculleen) | 540 | Boyle | Ardcarn | Boyle |
| Horse Island | 1 | Athlone | Kiltoom | Athlone |
| Hughestown | 106 | Boyle | Tumna | Boyle |
| Hundredacres | 230 | Castlereagh | Kiltullagh | Castlereagh |
| Illanamoe | 1 | Ballintober North | Kilglass | Strokestown |
| Illangarre | 1 | Roscommon | Clooncraff | Strokestown |
| Illangarre | 3 | Ballintober North | Kilglass | Strokestown |
| Illangarve | 1 | Roscommon | Clooncraff | Strokestown |
| Illangarve | 3 | Ballintober North | Kilglass | Strokestown |
| Inchinalee | 18 | Athlone | Drum | Athlone |
| Inchiroe and Gortfree | 263 | Athlone | Cam | Athlone |
| Inishatirra | 19 | Boyle | Tumna | Carrick on Shannon |
| Inishmoylin | 7 | Ballintober North | Kilglass | Strokestown |
| Island Lower | 205 | Ballymoe | Oran | Roscommon |
| Island Upper | 113 | Ballymoe | Oran | Roscommon |
| Jamestown | 363 | Athlone | Taghboy | Athlone |
| Johnstown Demesne | 745 | Athlone | Drum | Athlone |
| Kanefield | 159 | Castlereagh | Baslick | Castlereagh |
| Keadagh | 40 | Athlone | Kiltoom | Athlone |
| Keadew | Town | Boyle | Kilronan | Boyle |
| Keadew East | 318 | Boyle | Kilronan | Boyle |
| Keadew West | 273 | Boyle | Kilronan | Boyle |
| Keelbanada | 1.047 | Frenchpark | Kilcolman | Castlereagh |
| Keelcurragh (o Carrowreagh) | 53 | Ballintober South | Kilgefin | Roscommon |
| Keeloges | 45 | Athlone | Drum | Athlone |
| Keeloges | 164 | Boyle | Kilbryan | Boyle |
| Keelty | 196 | Athlone | Drum | Athlone |
| Keelty | 102 | Castlereagh | Ballintober | Castlereagh |
| Keenagh (Clanrickard) | 181 | Athlone | Athleague | Roscommon |
| Keenagh (Donnellan East) | 80 | Athlone | Athleague | Roscommon |
| Keenagh (Donnellan West) | 117 | Athlone | Athleague | Roscommon |
| Kellybrook | 422 | Athlone | Killinvoy | Roscommon |
| Kellybrook | 51 | Athlone | St. Johns | Roscommon |
| Kennyborough | 46 | Castlereagh | Ballintober | Castlereagh |
| Kerlagh | 59 | Ballintober North | Kilglass | Strokestown |
| Keyfield | 206 | Castlereagh | Kiltullagh | Castlereagh |
| Kilbarry | 861 | Ballintober North | Termonbarry | Strokestown |
| Kilbeg | 90 | Ballintober North | Kilglass | Strokestown |
| Kilbegly | 395 | Moycarn | Moore | Ballinasloe |
| Kilbride | 76 | Ballintober North | Kilmore | Carrick on Shannon |
| Kilbryan | 64 | Boyle | Kilbryan | Boyle |
| Kilcanoran | 113 | Roscommon | Aughrim | Carrick on Shannon |
| Kilcar | 776 | Athlone | Cam | Athlone |
| Kilcash | 683 | Athlone | Kilmeane | Roscommon |
| Kilcashel Dolanstown | 199 | Moycarn | Moore | Ballinasloe |
| Kilcloghan | 206 | Roscommon | Kiltrustan | Strokestown |
| Kilclogherna | 89 | Roscommon | Kiltrustan | Strokestown |
| Kilcock | 92 | Ballintober North | Kilmore | Carrick on Shannon |
| Kilcolagh | 248 | Frenchpark | Kilcolagh | Boyle |
| Kilcooley | 106 | Roscommon | Kilcooley | Strokestown |
| Kilcorkey | 215 | Castlereagh | Kilcorkey | Castlereagh |
| Kilcroy | 128 | Roscommon | Aughrim | Carrick on Shannon |
| Kildalloge | 205 | Roscommon | Kiltrustan | Strokestown |
| Kildurney | 211 | Athlone | Cam | Athlone |
| Kilfaughna | 164 | Boyle | Ardcarn | Boyle |
| Kilgarve | 224 | Moycarn | Creagh | Ballinasloe |
| Kilgarve | 179 | Boyle | Kilronan | Boyle |
| Kilgarve | 715 | Frenchpark | Tibohine | Castlereagh |
| Kilgarve | 324 | Ballintober North | Kilglass | Strokestown |
| Kilglass | 161 | Athlone | Kilmeane | Roscommon |
| Kilgraffy | 81 | Ballintober North | Kilglass | Strokestown |
| Kilkenny | 343 | Athlone | Taghmaconnell | Athlone |
| Killappoge | 212 | Boyle | Killummod | Boyle |
| Killarney | 346 | Ballintober South | Roscommon | Roscommon |
| Killastalliff | 134 | Ballintober North | Kilglass | Strokestown |
| Killaster | 312 | Castlereagh | Kilcorkey | Castlereagh |
| Killattimoriarty | 307 | Ballintober South | Kilgefin | Roscommon |
| Killavackan | 310 | Roscommon | Cloonfinlough | Strokestown |
| Killea | 58 | Athlone | Kilmeane | Roscommon |
| Killeen East | 197 | Roscommon | Shankill | Strokestown |
| Killeen West | 221 | Roscommon | Shankill | Strokestown |
| Killeenadeema | 172 | Athlone | Rahara | Roscommon |
| Killeenboy | 589 | Ballintober South | Kilteevan | Roscommon |
| Killeenrevagh | 288 | Athlone | Killinvoy | Roscommon |
| Killegan | 209 | Ballintober North | Kilglass | Strokestown |
| Killegian | 502 | Athlone | Taghmaconnell | Ballinasloe |
| Killeglan | 502 | Athlone | Taghmaconnell | Ballinasloe |
| Killerdoo | 48 | Boyle | Boyle | Boyle |
| Killerr | 270 | Ballymoe | Drumatemple | Castlereagh |
| Killiaghan and Gort | 764 | Athlone | St. Johns | Athlone |
| Killinaddan | 93 | Roscommon | Aughrim | Carrick on Shannon |
| Killinordan | 212 | Roscommon | Bumlin | Strokestown |
| Killinordanbeg | 245 | Roscommon | Bumlin | Strokestown |
| Killinraghty Big | 257 | Ballymoe | Oran | Roscommon |
| Killinraghty Little | 86 | Ballymoe | Oran | Roscommon |
| Killinvoy | 350 | Athlone | Killinvoy | Roscommon |
| Killoy | 123 | Athlone | Killinvoy | Athlone |
| Killukin | 149 | Boyle | Killukin | Carrick on Shannon |
| Killukin | 193 | Roscommon | Killukin | Strokestown |
| Killultagh | 87 | Roscommon | Cloonfinlough | Roscommon |
| Killummond | 348 | Boyle | Killummod | Carrick on Shannon |
| Killynagh Beg | 124 | Roscommon | Elphin | Strokestown |
| Killynagh More | 173 | Roscommon | Elphin | Strokestown |
| Kilmacananneny | 422 | Roscommon | Lissonuffy | Strokestown |
| Kilmacarril | 73 | Boyle | Tumna | Carrick on Shannon |
| Kilmacroy | 402 | Boyle | Boyle | Boyle |
| Kilmacuagh | 80 | Ballintober South | Kilgefin | Roscommon |
| Kilmacumsy | 365 | Frenchpark | Kilmacumsy | Boyle |
| Kilmass | 85 | Athlone | Rahara | Roscommon |
| Kilmocolmock | 437 | Athlone | Drum | Athlone |
| Kilmore | 127 | Athlone | Killinvoy | Athlone |
| Kilmore | 69 | Ballintober North | Kilmore | Carrick on Shannon |
| Kilmore | 206 | Castlereagh | Kilkeevin | Castlereagh |
| Kilmore | 503 | Athlone | Athleague | Roscommon |
| Kilmore | 216 | Roscommon | Bumlin | Strokestown |
| Kilmurry | 452 | Castlereagh | Baslick | Castlereagh |
| Kilnacloghy | 105 | Ballintober South | Cloontuskert | Roscommon |
| Kilnagralta | 201 | Athlone | Tisrara | Roscommon |
| Kilnalosset | 116 | Ballintober South | Kilgefin | Roscommon |
| Kilnamanagh | 356 | Athlone | St. Peter's | Athlone |
| Kilnamanagh | 456 | Frenchpark | Kilnamanagh | Boyle |
| Kilnamryall | 398 | Roscommon | Shankill | Boyle |
| Kilnanooan | 171 | Roscommon | Elphin | Strokestown |
| Kilnassillagh | 107 | Ballintober South | Kilgefin | Roscommon |
| Kilree | 161 | Roscommon | Ogulla | Strokestown |
| Kilroddan | 204 | Frenchpark | Tibohine | Castlereagh |
| Kilronan Mountain | 654 | Boyle | Kilronan | Boyle |
| Kilrooan | 144 | Frenchpark | Tibohine | Castlereagh |
| Kilroosky | 92 | Ballintober South | Kilgefin | Roscommon |
| Kilteasheen | 205 | Boyle | Kilbryan | Boyle |
| Kilteevan | 523 | Ballintober South | Kilteevan | Roscommon |
| Kiltoom | 115 | Athlone | Kiltoom | Athlone |
| Kiltrustan | 316 | Roscommon | Kiltrustan | Strokestown |
| Kiltullagh | 218 | Castlereagh | Kiltullagh | Castlereagh |
| Kiltultoge | 694 | Ballymoe | Cloonygormican | Roscommon |
| Kiltybanks | 813 | Frenchpark | Tibohine | Castlereagh |
| Kiltybrannock | 204 | Boyle | Boyle | Boyle |
| Kiltycreaghtan | 298 | Boyle | Boyle | Boyle |
| Kiltymaine | 330 | Frenchpark | Tibohine | Castlereagh |
| Kilvoy | 483 | Roscommon | Shankill | Castlereagh |
| Kinard | 234 | Roscommon | Clooncraff | Strokestown |
| Kinclare | 166 | Roscommon | Shankill | Boyle |
| Kinclare and Edenan | 624 | Roscommon | Shankill | Boyle |
| Kingsland | 666 | Frenchpark | Kilnamanagh | Boyle |
| Kinitty | 865 | Ballintober South | Kilbride | Roscommon |
| Knock | 679 | Athlone | Taghmaconnell | Ballinasloe |
| Knockacorha | 124 | Boyle | Killukin | Carrick on Shannon |
| Knockaculleen (o Hollymount) | 540 | Boyle | Ardcarn | Boyle |
| Knockadaff | 382 | Boyle | Ardcarn | Boyle |
| Knockadalteen | 148 | Boyle | Killukin | Carrick on Shannon |
| Knockadangan | 823 | Athlone | Athleague | Roscommon |
| Knockadoo | 107 | Boyle | Boyle | Boyle |
| Knockadoobrusna | 177 | Boyle | Boyle | Boyle |
| Knockadrehid | 182 | Boyle | Ardcarn | Boyle |
| Knockadryan | 75 | Boyle | Kilronan | Boyle |
| Knockalaghtar(Sandford) | 233 | Castlereagh | Ballintober | Castlereagh |
| Knockalaghtar(Wills) | 335 | Castlereagh | Ballintober | Castlereagh |
| Knockalegan East | 103 | Castlereagh | Baslick | Castlereagh |
| Knockalegan West | 126 | Castlereagh | Baslick | Castlereagh |
| Knockananima | 100 | Boyle | Killukin | Carrick on Shannon |
| Knockanyconor | 311 | Athlone | St. Johns | Athlone |
| Knockarush | 555 | Boyle | Boyle | Boyle |
| Knockavreaneen | 68 | Ballintober North | Kilmore | Carrick on Shannon |
| Knockavroe | 232 | Boyle | Boyle | Boyle |
| Knockavurrea | 29 | Ballintober South | Kilgefin | Roscommon |
| Knockavurrea | 122 | Roscommon | Elphin | Strokestown |
| Knockcroghery | Town | Athlone | Killinvoy | Roscommon |
| Knockcroghery | 217 | Athlone | Killinvoy | Roscommon |
| Knockdrumdonnell | 82 | Athlone | Kilmeane | Roscommon |
| Knockglass | 995 | Frenchpark | Kilcolagh | Boyle |
| Knockhall | 1.653 | Ballintober North | Kilglass | Strokestown |
| Knockmeane | 233 | Athlone | Kilmeane | Roscommon |
| Knockmurry | 21 | Castlereagh | Kilkeevin | Castlereagh |
| Knocknabarnaboy (o Ashbrook) | 246 | Roscommon | Lissonuffy | Strokestown |
| Knocknabeast | 61 | Boyle | Ardcarn | Boyle |
| Knocknacarrow | 128 | Boyle | Ardcarn | Boyle |
| Knocknacloy | 90 | Boyle | Boyle | Boyle |
| Knocknafushoga | 321 | Boyle | Estersnow | Boyle |
| Knocknagawna | 344 | Ballintober North | Kilmore | Carrick on Shannon |
| Knocknanool | 370 | Athlone | Kiltoom | Athlone |
| Knocknashee | 117 | Boyle | Boyle | Boyle |
| Knockranny | 376 | Boyle | Kilronan | Boyle |
| Knockroe | 32 | Boyle | Ardcarn | Boyle |
| Knockroe | 304 | Boyle | Estersnow | Boyle |
| Knockroe | 534 | Boyle | Killummod | Carrick on Shannon |
| Knockroe | 274 | Castlereagh | Kilcorkey | Castlereagh |
| Knockroe | 71 | Castlereagh | Kilkeevin | Castlereagh |
| Knockskehan | 235 | Athlone | St. Johns | Athlone |
| Knockvicar | 153 | Boyle | Ardcarn | Boyle |
| Kye | 350 | Roscommon | Clooncraff | Strokestown |
| Laboge | 62 | Athlone | Kilmeane | Roscommon |
| Lack | 427 | Ballintober North | Termonbarry | Strokestown |
| Lackagh | 128 | Ballintober North | Kilmore | Carrick on Shannon |
| Lackan | 180 | Frenchpark | Kilcolagh | Boyle |
| Lackan | 337 | Roscommon | Aughrim | Carrick on Shannon |
| Lackan | 370 | Roscommon | Cloonfinlough | Roscommon |
| Lackan | 216 | Athlone | Kilmeane | Roscommon |
| Lackan | 494 | Athlone | Rahara | Roscommon |
| Laghtcausk | 420 | Roscommon | Elphin | Strokestown |
| Lahagboy | 67 | Roscommon | Aughrim | Carrick on Shannon |
| Lahan Island | 2 | Boyle | Ardcarn | Boyle |
| Lamb Island | 3 | Moycarn | Moore | Ballinasloe |
| Lanesborough | Town | Ballintober South | Cloontuskert | Roscommon |
| Laragh and Ross | 736 | Ballymoe | Drumatemple | Castlereagh |
| Largan | 108 | Boyle | Kilbryan | Boyle |
| Largan | 211 | Roscommon | Kiltrustan | Strokestown |
| Laughil | 162 | Moycarn | Creagh | Ballinasloe |
| Laughil | 93 | Boyle | Tumna | Carrick on Shannon |
| Laughil | 81 | Castlereagh | Kiltullagh | Castlereagh |
| Lavagh | 536 | Ballintober North | Kilglass | Strokestown |
| Lavally | 160 | Roscommon | Kiltrustan | Strokestown |
| Leabeg | 494 | Ballymoe | Drumatemple | Castlereagh |
| Leam | 629 | Boyle | Boyle | Boyle |
| Leamore | 461 | Ballymoe | Ballynakill | Castlereagh |
| Lecarrow | 133 | Boyle | Boyle | Boyle |
| Lecarrow | 236 | Frenchpark | Creeve | Carrick on Shannon |
| Lecarrow | 92 | Castlereagh | Ballintober | Castlereagh |
| Lecarrow | 36 | Ballymoe | Drumatemple | Castlereagh |
| Lecarrow | 344 | Frenchpark | Tibohine | Castlereagh |
| Lecarrow | 261 | Roscommon | Clooncraff | Strokestown |
| Lecarrow | 199 | Ballintober North | Kilglass | Strokestown |
| Legan | 452 | Ballintober North | Kilglass | Strokestown |
| Leggatinty | 773 | Frenchpark | Tibohine | Castlereagh |
| Legvoy (o Gardenstown) | 176 | Boyle | Killukin | Carrick on Shannon |
| Leiterra | 160 | Boyle | Ardcarn | Boyle |
| Leitrim | 1.491 | Frenchpark | Tibohine | Castlereagh |
| Leitrim | 124 | Ballintober South | Kilbride | Roscommon |
| Lenanamalla | 125 | Athlone | Tisrara | Roscommon |
| Letfordspark | 53 | Boyle | Boyle | Boyle |
| Lettreen | 155 | Roscommon | Kiltrustan | Strokestown |
| Leveelick | 251 | Castlereagh | Kilkeevin | Castlereagh |
| Liberty | 258 | Moycarn | Moore | Ballinasloe |
| Lisbaun | 298 | Athlone | Kiltoom | Athlone |
| Lisboy | 207 | Castlereagh | Kilkeevin | Castlereagh |
| Lisboy | 235 | Roscommon | Shankill | Strokestown |
| Lisbride | 254 | Ballintober South | Roscommon | Roscommon |
| Liscam | 69 | Athlone | Cam | Athlone |
| Liscoffy (Kelly) | 222 | Athlone | Athleague | Roscommon |
| Liscoffy (Madden) | 152 | Athlone | Athleague | Roscommon |
| Liscolvan | 86 | Ballintober North | Kilmore | Carrick on Shannon |
| Lisdaly | 361 | Boyle | Killummod | Boyle |
| Lisdaulan | 709 | Athlone | Killinvoy | Roscommon |
| Lisdillure | 263 | Athlone | Drum | Athlone |
| Lisdrumneill | 329 | Frenchpark | Tibohine | Castlereagh |
| Lisduff | 297 | Frenchpark | Tibohine | Castlereagh |
| Lisduff | 221 | Athlone | Tisrara | Roscommon |
| Lisduff | 207 | Roscommon | Kiltrustan | Strokestown |
| Lisfarrellboy | 42 | Boyle | Tumna | Boyle |
| Lisfelim | 806 | Athlone | St. Johns | Athlone |
| Lisgarve | 218 | Frenchpark | Kilmacumsy | Boyle |
| Lisgillalea | 180 | Athlone | Tisrara | Roscommon |
| Lisgobban | 256 | Ballintober South | Kilbride | Roscommon |
| Lisgreaghan | 60 | Boyle | Ardcarn | Boyle |
| Lisheen | 199 | Castlereagh | Baslick | Castlereagh |
| Lisheen | 198 | Roscommon | Kiltrustan | Strokestown |
| Lisheenanierin | 90 | Roscommon | Cloonfinlough | Strokestown |
| Lisheenloughtin | 16 | Ballintober South | Kilbride | Roscommon |
| Lishugh | 124 | Roscommon | Aughrim | Carrick on Shannon |
| Lislea | 99 | Boyle | Kilronan | Boyle |
| Lisliddy | 155 | Castlereagh | Kilkeevin | Castlereagh |
| Lismacool | 378 | Frenchpark | Kilmacumsy | Boyle |
| Lismageevoge | 108 | Frenchpark | Creeve | Carrick on Shannon |
| Lismagroon | 49 | Athlone | Killinvoy | Roscommon |
| Lismaha | 239 | Athlone | Tisrara | Roscommon |
| Lismeehy | 123 | Roscommon | Lissonuffy | Strokestown |
| Lismoyle | 61 | Athlone | Cam | Athlone |
| Lismulkeare | 131 | Boyle | Ardcarn | Boyle |
| Lismurtagh | 217 | Castlereagh | Baslick | Castlereagh |
| Lismurtagh | 164 | Roscommon | Ogulla | Strokestown |
| Lisnaboll | 97 | Frenchpark | Kilmacumsy | Boyle |
| Lisnacroghy (o Gallowstown) | 229 | Ballintober South | Roscommon | Roscommon |
| Lisnagard | 180 | Roscommon | Elphin | Strokestown |
| Lisnagavragh | 393 | Athlone | Tisrara | Roscommon |
| Lisnagirra | 263 | Athlone | Athleague | Roscommon |
| Lisnagroagh | 66 | Athlone | Fuerty | Roscommon |
| Lisnagroob | 198 | Castlereagh | Kiltullagh | Castlereagh |
| Lisnahirka | 101 | Roscommon | Cloonfinlough | Strokestown |
| Lisnahoon | 70 | Athlone | Killinvoy | Roscommon |
| Lisnalannow | 64 | Athlone | Athleague | Roscommon |
| Lisnalegan | 150 | Ballymoe | Cloonygormican | Roscommon |
| Lisnamucklagh | 28 | Athlone | Dysart | Athlone |
| Lisnamucklagh | 244 | Athlone | Taghboy | Athlone |
| Lisnamult | 261 | Ballintober South | Roscommon | Roscommon |
| Lisnanarriagh | 335 | Ballintober South | Cloontuskert | Roscommon |
| Lisnaneane | 255 | Roscommon | Kilcooley | Strokestown |
| Lisnanuran | 200 | Roscommon | Aughrim | Carrick on Shannon |
| Lisnasillagh | 245 | Athlone | Athleague | Roscommon |
| Lisnatea | 146 | Athlone | Fuerty | Roscommon |
| Lisphilip | 146 | Frenchpark | Kilmacumsy | Boyle |
| Lisroyne | 448 | Roscommon | Bumlin | Strokestown |
| Lissacarrow | 178 | Athlone | Fuerty | Roscommon |
| Lissacurkia | 382 | Frenchpark | Tibohine | Castlereagh |
| Lissacurkia | 133 | Roscommon | Kilcooley | Strokestown |
| Lissadorn | 572 | Roscommon | Aughrim | Carrick on Shannon |
| Lissagallan | 1.000 | Athlone | Fuerty | Roscommon |
| Lissalway | 1.525 | Castlereagh | Baslick | Castlereagh |
| Lissananny | 545 | Frenchpark | Tibohine | Castlereagh |
| Lissaneaville | 500 | Athlone | Fuerty | Roscommon |
| Lissanisky | 105 | Athlone | Kilmeane | Roscommon |
| Lissanisky | 103 | Ballymoe | Oran | Roscommon |
| Lissaphobble | 64 | Roscommon | Lissonuffy | Strokestown |
| Lissaphuca | 148 | Athlone | Taghboy | Athlone |
| Lissaphuca | 111 | Roscommon | Kilcooley | Strokestown |
| Lissavilla | 116 | Roscommon | Aughrim | Carrick on Shannon |
| Lissawaddy | 214 | Castlereagh | Baslick | Castlereagh |
| Lisseenamanragh | 126 | Athlone | Taghboy | Athlone |
| Lisseevin | 110 | Boyle | Kilronan | Boyle |
| Lisserdrea | 611 | Boyle | Boyle | Boyle |
| Lissergool | 678 | Frenchpark | Tibohine | Castlereagh |
| Lissian | 387 | Frenchpark | Castlemore | Castlereagh |
| Lissonuffy | 168 | Roscommon | Lissonuffy | Strokestown |
| Lissydaly | 153 | Frenchpark | Tibohine | Castlereagh |
| Lissygreaghan | 103 | Athlone | Kiltoom | Athlone |
| Listhomasroe | 164 | Castlereagh | Kilkeevin | Castlereagh |
| Liswilliam | 259 | Athlone | Taghboy | Athlone |
| Lodge | 203 | Boyle | Killukin | Carrick on Shannon |
| Long Island | 144 | Athlone | St. Peter's | Athlone |
| Long Island | 29 | Moycarn | Moore | Ballinasloe |
| Long Island Little | 1 | Athlone | St. Peter's | Athlone |
| Longfield | 127 | Athlone | Rahara | Roscommon |
| Longford | 394 | Castlereagh | Kilkeevin | Castlereagh |
| Longnamuck | 231 | Athlone | Killinvoy | Roscommon |
| Loughbally | 452 | Frenchpark | Kilcolagh | Boyle |
| Loughglinn | Town | Frenchpark | Tibohine | Castlereagh |
| Loughglinn | 137 | Frenchpark | Tibohine | Castlereagh |
| Loughglinn Demesne | 1.105 | Frenchpark | Tibohine | Castlereagh |
| Loughlackagh | 156 | Moycarn | Moore | Ballinasloe |
| Loughnaneane | 184 | Ballintober South | Roscommon | Roscommon |
| Lowberry | 106 | Castlereagh | Kiltullagh | Castlereagh |
| Lowfield | 93 | Ballintober North | Kilmore | Carrick on Shannon |
| Lowparks | 68 | Boyle | Boyle | Boyle |
| Lowtown Kilcashel | 939 | Moycarn | Moore | Ballinasloe |
| Lugakeeran | 368 | Castlereagh | Kilcorkey | Castlereagh |
| Lugateane | 185 | Roscommon | Aughrim | Carrick on Shannon |
| Lugboy | 445 | Athlone | Taghmaconnell | Athlone |
| Lugboy | 257 | Roscommon | Elphin | Strokestown |
| Luggs | 64 | Roscommon | Kiltrustan | Strokestown |
| Lugnamuddagh (o Cashelfinoge) | 211 | Boyle | Boyle | Boyle |
| Lugnashammer | 151 | Boyle | Killukin | Boyle |
| Lurga | 195 | Boyle | Tumna | Carrick on Shannon |
| Lurgaboy | 111 | Boyle | Kilronan | Boyle |
| Lurgan | 294 | Frenchpark | Kilcolagh | Boyle |
| Lurgan | 81 | Boyle | Kilronan | Boyle |
| Lurgan | 215 | Roscommon | Shankill | Strokestown |
| Lurraga | 103 | Boyle | Kilronan | Boyle |
| Lustia | 290 | Boyle | Tumna | Carrick on Shannon |
| Lyonstown | 191 | Boyle | Ardcarn | Boyle |
| Lysterfield | 453 | Athlone | Cam | Athlone |
| Macnadille | 114 | Boyle | Killukin | Carrick on Shannon |
| Manor | 470 | Roscommon | Killukin | Strokestown |
| Mantuar | 327 | Frenchpark | Kilcolagh | Boyle |
| Martry | 194 | Frenchpark | Creeve | Carrick on Shannon |
| Marystown | 189 | Castlereagh | Kiltullagh | Castlereagh |
| Meehaun | 74 | Athlone | Killinvoy | Roscommon |
| Meelick | 122 | Ballintober North | Kilmore | Carrick on Shannon |
| Meelick | 33 | Castlereagh | Kiltullagh | Castlereagh |
| Meelick | 203 | Frenchpark | Tibohine | Castlereagh |
| Meelick | 316 | Ballintober North | Termonbarry | Strokestown |
| Meelickaduff | 99 | Castlereagh | Kilkeevin | Castlereagh |
| Meelickroe | 248 | Castlereagh | Kiltullagh | Castlereagh |
| Meeltraun (Daniel Kelly) | 138 | Castlereagh | Kiltullagh | Castlereagh |
| Meeltraun (Denis Kelly) | 125 | Castlereagh | Kiltullagh | Castlereagh |
| Meeltraun (O'Flyn) | 111 | Castlereagh | Kiltullagh | Castlereagh |
| Meeltraun (Wills) | 212 | Castlereagh | Kiltullagh | Castlereagh |
| Meera | 174 | Boyle | Tumna | Carrick on Shannon |
| Mewlaghmore | 124 | Castlereagh | Kilkeevin | Castlereagh |
| Midgefield (o Glennameeltoge) | 90 | Roscommon | Cloonfinlough | Strokestown |
| Mihanagh | 167 | Roscommon | Kiltrustan | Strokestown |
| Mihanboy | 278 | Athlone | Drum | Athlone |
| Milltown | 1.048 | Athlone | Dysart | Athlone |
| Milltown | 118 | Ballintober North | Kilmore | Carrick on Shannon |
| Milltown | 640 | Castlereagh | Baslick | Castlereagh |
| Milltown | 144 | Castlereagh | Kiltullagh | Castlereagh |
| Moanvane | 135 | Castlereagh | Kiltullagh | Castlereagh |
| Mocmoyne | 202 | Boyle | Boyle | Boyle |
| Moheedian | 344 | Frenchpark | Creeve | Carrick on Shannon |
| Moher | 521 | Ballintober South | Cloontuskert | Roscommon |
| Moher | 347 | Roscommon | Cloonfinlough | Strokestown |
| Moher | 240 | Ballintober North | Kilglass | Strokestown |
| Moigh | 171 | Boyle | Tumna | Carrick on Shannon |
| Moigh Lower | 170 | Castlereagh | Kiltullagh | Castlereagh |
| Moigh Upper | 167 | Castlereagh | Kiltullagh | Castlereagh |
| Moneen | 48 | Ballintober South | Cloontuskert | Roscommon |
| Moneenacully | 80 | Roscommon | Bumlin | Strokestown |
| Moneenbog | 113 | Ballintober North | Termonbarry | Strokestown |
| Moneyboy | 167 | Roscommon | Kilcooley | Strokestown |
| Moneyduff | 84 | Ballintober North | Kilmore | Carrick on Shannon |
| Moneylea | 235 | Roscommon | Elphin | Castlereagh |
| Moneymore | 408 | Athlone | Kilmeane | Roscommon |
| Mongagh | 341 | Roscommon | Lissonuffy | Strokestown |
| Monksland | 1.333 | Athlone | St. Peter's | Athlone |
| Moor | 227 | Castlereagh | Kilkeevin | Castlereagh |
| Moore North | 303 | Moycarn | Moore | Ballinasloe |
| Moore South | 571 | Moycarn | Moore | Ballinasloe |
| Mote Demesne | 1.263 | Athlone | Kilmeane | Roscommon |
| Mount Talbot | 657 | Athlone | Tisrara | Roscommon |
| Mountain Lower | 424 | Castlereagh | Kiltullagh | Castlereagh |
| Mountain Upper | 392 | Castlereagh | Kiltullagh | Castlereagh |
| Mountallen | 137 | Boyle | Kilronan | Boyle |
| Mountdelvin | 457 | Castlereagh | Kiltullagh | Castlereagh |
| Mountdillon | 1.369 | Roscommon | Lissonuffy | Strokestown |
| Mountdruid | 212 | Castlereagh | Kilcorkey | Castlereagh |
| Mounteagle (o Drumanilra) | 312 | Boyle | Tumna | Carrick on Shannon |
| Mountpleasant | 245 | Roscommon | Kilbride | Strokestown |
| Mountplunkett | 451 | Athlone | Killinvoy | Athlone |
| Mountprospect | 99 | Boyle | Ardcarn | Boyle |
| Moydow | 151 | Athlone | Kilmeane | Roscommon |
| Moyglass | 230 | Ballintober North | Kilmore | Carrick on Shannon |
| Moyglass | 402 | Ballintober North | Kilglass | Strokestown |
| Moyliss | 323 | Athlone | Fuerty | Roscommon |
| Moyne | 731 | Frenchpark | Tibohine | Castlereagh |
| Moynure | 156 | Athlone | Drum | Athlone |
| Moyoran | 210 | Boyle | Tumna | Carrick on Shannon |
| Moyvannan | 600 | Athlone | Kiltoom | Athlone |
| Muckanagh | 405 | Ballintober North | Kilglass | Strokestown |
| Muff | 306 | Athlone | Fuerty | Roscommon |
| Mullagh | 42 | Athlone | Kiltoom | Athlone |
| Mullaghardagh | 223 | Athlone | Taghboy | Athlone |
| Mullaghlusky | 55 | Boyle | Kilronan | Boyle |
| Mullaghmacormick | 596 | Ballintober North | Kilglass | Strokestown |
| Mullaghmore | 180 | Boyle | Killukin | Carrick on Shannon |
| Mullaghnashee | 423 | Frenchpark | Tibohine | Castlereagh |
| Mullaun | 166 | Boyle | Kilronan | Boyle |
| Mullen | 1.426 | Frenchpark | Tibohine | Castlereagh |
| Mullenduff | 251 | Frenchpark | Kilcolagh | Boyle |
| Mullygollan | 162 | Castlereagh | Baslick | Castlereagh |
| Mullymucks | 1.541 | Ballintober South | Kilbride | Roscommon |
| Nadnaveagh | 261 | Roscommon | Killukin | Strokestown |
| New Glebe | 17 | Ballintober South | Kilgefin | Roscommon |
| Newtown | 140 | Athlone | Drum | Athlone |
| Newtown | 278 | Moycarn | Creagh | Ballinasloe |
| Newtown | 355 | Ballintober South | Kilteevan | Roscommon |
| Newtown | 593 | Ballymoe | Oran | Roscommon |
| Newtown | 381 | Roscommon | Bumlin | Strokestown |
| Newtown | 566 | Ballintober North | Termonbarry | Strokestown |
| Newtown Farragher | 759 | Ballymoe | Cloonygormican | Castlereagh |
| Newtown Kilcashel | 282 | Moycarn | Moore | Ballinasloe |
| Newtowncarrigans | 231 | Ballymoe | Dunamon | Roscommon |
| Northyard | 441 | Roscommon | Bumlin | Strokestown |
| Oakfield | 283 | Roscommon | Cloonfinlough | Strokestown |
| Oakport Demesne | 587 | Boyle | Ardcarn | Boyle |
| Ogulla | 235 | Roscommon | Ogulla | Strokestown |
| Old Glebe (o Cartron) | 54 | Ballintober South | Kilgefin | Roscommon |
| Oldtown | 239 | Frenchpark | Kilmacumsy | Boyle |
| Oldtown Kilcashel | 403 | Moycarn | Moore | Ballinasloe |
| Onagh | 834 | Athlone | Taghmaconnell | Athlone |
| Oran | 275 | Ballymoe | Oran | Roscommon |
| Orchard Island | 7 | Boyle | Ardcarn | Boyle |
| O'Reilly's Island | 12 | Boyle | Kilronan | Boyle |
| Ovaun | 104 | Roscommon | Shankill | Strokestown |
| Paddock | 9 | Boyle | Ardcarn | Boyle |
| Parkeel | 271 | Frenchpark | Tibohine | Castlereagh |
| Parkmore | 293 | Moycarn | Creagh | Ballinasloe |
| Peak | 387 | Castlereagh | Kilcorkey | Castlereagh |
| Peak | 48 | Ballymoe | Cloonygormican | Roscommon |
| Pigeon Island | 10 | Ballintober North | Termonbarry | Strokestown |
| Pollalaher | 657 | Athlone | Cam | Athlone |
| Pollanalty East | 366 | Castlereagh | Kiltullagh | Castlereagh |
| Pollanalty West | 432 | Castlereagh | Kiltullagh | Castlereagh |
| Pollanaroo | 184 | Castlereagh | Kiltullagh | Castlereagh |
| Pollanea Lower | 152 | Castlereagh | Kiltullagh | Castlereagh |
| Pollanea Upper | 123 | Castlereagh | Kiltullagh | Castlereagh |
| Pollaphuca | 196 | Castlereagh | Kiltullagh | Castlereagh |
| Pollnamoghil | 66 | Roscommon | Aughrim | Carrick on Shannon |
| Pollower | 29 | Boyle | Ardcarn | Boyle |
| Pollower | 161 | Boyle | Kilbryan | Boyle |
| Pollranny | 138 | Castlereagh | Baslick | Castlereagh |
| Pollymount | 220 | Roscommon | Bumlin | Strokestown |
| Portaghard | 518 | Frenchpark | Tibohine | Castlereagh |
| Porteen (o Ballyrevagh West) | 363 | Athlone | Dysart | Athlone |
| Porteen (o Ballyrevagh) | 305 | Athlone | Dysart | Athlone |
| Portnacrinnaght | 144 | Frenchpark | Kilnamanagh | Boyle |
| Portnahinch | 152 | Ballintober South | Cloontuskert | Roscommon |
| Portnick | 122 | Moycarn | Creagh | Ballinasloe |
| Portobello | 474 | Frenchpark | Creeve | Carrick on Shannon |
| Portrunny | 10 | Athlone | Kilmeane | Roscommon |
| Powellshill | 59 | Boyle | Tumna | Carrick on Shannon |
| Quiltinan | 67 | Athlone | Fuerty | Roscommon |
| Rabbit Island | 1 | Ballintober North | Termonbarry | Strokestown |
| Rabbitburrow | 114 | Castlereagh | Kiltullagh | Castlereagh |
| Rabradagh | 166 | Ballymoe | Oran | Roscommon |
| Rackans | 178 | Athlone | Cam | Athlone |
| Raghrabeg | 1.172 | Moycarn | Moore | Ballinasloe |
| Rahara | 617 | Athlone | Rahara | Roscommon |
| Rahardagh | 332 | Castlereagh | Baslick | Castlereagh |
| Raheely | 350 | Frenchpark | Tibohine | Castlereagh |
| Raheen | 204 | Roscommon | Elphin | Strokestown |
| Rampark | 52 | Castlereagh | Kilkeevin | Castlereagh |
| Ranelagh | 71 | Athlone | St. Peter's | Athlone |
| Ranelagh | 71 | Ballintober South | Roscommon | Roscommon |
| Rat Island | 1 | Ballintober North | Kilmore | Carrick on Shannon |
| Ratallen | 718 | Frenchpark | Kilcolagh | Boyle |
| Ratawragh | 148 | Athlone | Kiltoom | Athlone |
| Rathardeagher | 90 | Frenchpark | Creeve | Carrick on Shannon |
| Rathbarna | 183 | Castlereagh | Kilkeevin | Castlereagh |
| Rathbrennan | 315 | Ballintober South | Roscommon | Roscommon |
| Rathcarran | 121 | Ballymoe | Drumatemple | Castlereagh |
| Rathconor | 1.045 | Ballintober South | Kilbride | Roscommon |
| Rathdiveen | 102 | Boyle | Ardcarn | Boyle |
| Rathdiveen | 91 | Boyle | Kilbryan | Boyle |
| Rathevin | 62 | Ballintober North | Kilmore | Carrick on Shannon |
| Rathfuadagh | 337 | Castlereagh | Baslick | Castlereagh |
| Rathkeery | 332 | Frenchpark | Tibohine | Castlereagh |
| Rathkeva | 202 | Roscommon | Ogulla | Strokestown |
| Rathkineely | 276 | Castlereagh | Kilcorkey | Castlereagh |
| Rathleg | 182 | Castlereagh | Kilkeevin | Castlereagh |
| Rathlena | 342 | Castlereagh | Kiltullagh | Castlereagh |
| Rathmew | 170 | Ballymoe | Oran | Roscommon |
| Rathmore | 292 | Ballintober South | Kilbride | Roscommon |
| Rathmore | 342 | Roscommon | Killukin | Strokestown |
| Rathmore | 262 | Roscommon | Kiltrustan | Strokestown |
| Rathmoyle | 545 | Castlereagh | Baslick | Castlereagh |
| Rathnaglye | 234 | Roscommon | Ogulla | Strokestown |
| Rathnallog | 412 | Castlereagh | Kilcorkey | Castlereagh |
| Rathnalulleagh | 334 | Castlereagh | Ballintober | Castlereagh |
| Rathnarovanagh | 182 | Ballintober North | Kilmore | Carrick on Shannon |
| Rathpeak | 761 | Moycarn | Moore | Ballinasloe |
| Rathroe | 142 | Roscommon | Shankill | Strokestown |
| Ratra | 325 | Frenchpark | Tibohine | Castlereagh |
| Rattinagh | 185 | Ballintober North | Kilglass | Strokestown |
| Raveege | 213 | Castlereagh | Ballintober | Castlereagh |
| Reagh | 163 | Roscommon | Cloonfinlough | Roscommon |
| Reycroftspark | 85 | Boyle | Ardcarn | Boyle |
| Rinanny Island | 37 | Ballintober South | Kilteevan | Roscommon |
| Rinn | 560 | Boyle | Ardcarn | Boyle |
| Rinnagan | 765 | Athlone | St. Johns | Athlone |
| Roadquarter | 70 | Castlereagh | Kiltullagh | Castlereagh |
| Robinhood (o Cloonish) | 257 | Castlereagh | Kiltullagh | Castlereagh |
| Rock | 25 | Boyle | Killukin | Carrick on Shannon |
| Rockhill | 98 | Boyle | Kilronan | Boyle |
| Rockland | 332 | Athlone | Taghmaconnell | Athlone |
| Rockville | 196 | Roscommon | Aughrim | Carrick on Shannon |
| Rodeen | 118 | Roscommon | Aughrim | Carrick on Shannon |
| Roo | 145 | Ballintober North | Kilmore | Carrick on Shannon |
| Rooaun | 142 | Moycarn | Creagh | Ballinasloe |
| Rooaun | 237 | Ballintober North | Kilglass | Strokestown |
| Rooaun Bog and Meadow | 90 | Moycarn | Creagh | Ballinasloe |
| Rooskagh | 1.252 | Athlone | St. Peter's | Athlone |
| Roosky | Town | Ballintober North | Termonbarry | Strokestown |
| Roosky | 490 | Frenchpark | Castlemore | Castlereagh |
| Roosky | 209 | Ballintober North | Termonbarry | Strokestown |
| Roosky New | 190 | Ballintober North | Termonbarry | Strokestown |
| Rooty | 158 | Moycarn | Moore | Ballinasloe |
| Roscommon | Town | Ballintober South | Roscommon | Roscommon |
| Rosmeen | 354 | Castlereagh | Ballintober | Castlereagh |
| Ross and Laragh | 736 | Ballymoe | Drumatemple | Castlereagh |
| Ross Beg | 297 | Roscommon | Elphin | Strokestown |
| Ross More East | 329 | Roscommon | Elphin | Strokestown |
| Ross More West | 250 | Roscommon | Elphin | Strokestown |
| Rover Lower | 306 | Boyle | Kilronan | Boyle |
| Rover Upper | 146 | Boyle | Kilronan | Boyle |
| Roverkilly | 222 | Athlone | Rahara | Roscommon |
| Roxborough | 1.076 | Ballintober South | Kilbride | Roscommon |
| Runnabackan | 285 | Ballymoe | Oran | Roscommon |
| Runnabehy | 328 | Frenchpark | Kilnamanagh | Castlereagh |
| Runnaboll | 322 | Frenchpark | Kilcolagh | Boyle |
| Runnacocka | 132 | Frenchpark | Kilmacumsy | Boyle |
| Runnameelta | 139 | Frenchpark | Kilnamanagh | Castlereagh |
| Runnamoat | 460 | Ballymoe | Cloonygormican | Roscommon |
| Runnaroddan | 126 | Frenchpark | Kilnamanagh | Boyle |
| Runnaroddaun | 76 | Frenchpark | Kilmacumsy | Boyle |
| Runnaruag | 148 | Frenchpark | Elphin | Strokestown |
| Runnateggal (o Ryefield) | 178 | Frenchpark | Creeve | Carrick on Shannon |
| Runnawillin (o Callow) | 632 | Frenchpark | Kilnamanagh | Castlereagh |
| Rush Hill | 68 | Boyle | Kilronan | Boyle |
| Rusheen | 379 | Boyle | Ardcarn | Boyle |
| Rusheen | 231 | Castlereagh | Baslick | Castlereagh |
| Rushpark Farragher | 208 | Ballymoe | Cloonygormican | Castlereagh |
| Rushport | 176 | Ballintober North | Kilmore | Carrick on Shannon |
| Ryefield (o Runnateggal) | 178 | Frenchpark | Creeve | Carrick on Shannon |
| Scardaun | 200 | Athlone | Athleague | Roscommon |
| Scor Beg | 233 | Frenchpark | Kilmacumsy | Boyle |
| Scor More | 212 | Frenchpark | Kilmacumsy | Boyle |
| Scrabbagh | 110 | Ballintober North | Kilmore | Carrick on Shannon |
| Scramoge | 290 | Roscommon | Bumlin | Strokestown |
| Scregg | 174 | Boyle | Killukin | Carrick on Shannon |
| Scregg | 53 | Castlereagh | Kiltullagh | Castlereagh |
| Scregg | 662 | Athlone | Killinvoy | Roscommon |
| Sedgy Island | 2 | Athlone | Kiltoom | Athlone |
| Seltannaveeny | 300 | Boyle | Kilronan | Boyle |
| Shanballybaun | 267 | Boyle | Tumna | Carrick on Shannon |
| Shanballylosky | 95 | Athlone | Taghboy | Athlone |
| Shanballymore | 88 | Ballintober South | Cloontuskert | Roscommon |
| Shankill | 365 | Roscommon | Shankill | Strokestown |
| Shankoagh | 373 | Ballymoe | Drumatemple | Castlereagh |
| Shanvoley | 25 | Boyle | Kilbryan | Boyle |
| Sheean | 94 | Athlone | Taghmaconnell | Athlone |
| Sheegeeragh | 182 | Roscommon | Killukin | Strokestown |
| Sheegorey | 716 | Boyle | Boyle | Boyle |
| Sheehaun (Hughes) | 17 | Ballintober South | Kilgefin | Roscommon |
| Sheehaun (Morton) | 172 | Ballintober South | Kilgefin | Roscommon |
| Sheepwalk | 715 | Frenchpark | Tibohine | Castlereagh |
| Sheerevagh | 225 | Frenchpark | Kilmacumsy | Boyle |
| Sheevannan | 359 | Frenchpark | Tibohine | Castlereagh |
| Skeagh | 306 | Ballintober North | Kilmore | Carrick on Shannon |
| Skeanamuck | 224 | Athlone | Taghmaconnell | Athlone |
| Skeanavart | 112 | Frenchpark | Kilmacumsy | Boyle |
| Skeavaily | 413 | Athlone | Taghmaconnell | Athlone |
| Skrine | 874 | Athlone | Kilmeane | Roscommon |
| Slattagh Beg | 175 | Ballintober North | Kilglass | Strokestown |
| Slattagh More | 865 | Ballintober North | Kilglass | Strokestown |
| Slevin | 448 | Castlereagh | Baslick | Castlereagh |
| Slevinagee | 103 | Ballintober South | Roscommon | Roscommon |
| Slieve and Corbally | 1.181 | Ballymoe | Ballynakill | Roscommon |
| Slieveroe | 220 | Frenchpark | Kilnamanagh | Castlereagh |
| Smaghraan | 178 | Ballintober South | Kilbride | Roscommon |
| Smutternagh | 363 | Boyle | Kilbryan | Boyle |
| Southpark Demesne | 763 | Castlereagh | Kilkeevin | Castlereagh |
| Spa | 257 | Boyle | Boyle | Boyle |
| Spring Gardens | 197 | Castlereagh | Kiltullagh | Castlereagh |
| Srabra | 109 | Boyle | Kilronan | Boyle |
| Srabragan | 247 | Boyle | Kilronan | Boyle |
| Sracocka | 127 | Frenchpark | Kilnamanagh | Castlereagh |
| Sraduff | 345 | Athlone | Taghmaconnell | Athlone |
| Srah | 70 | Castlereagh | Kiltullagh | Castlereagh |
| Srah | 88 | Athlone | Killinvoy | Roscommon |
| Srahauns | 127 | Athlone | Kiltoom | Athlone |
| Sralea | 204 | Moycarn | Creagh | Ballinasloe |
| Sranancoan | 119 | Boyle | Kilronan | Boyle |
| Sroankeeragh | 73 | Boyle | Tumna | Carrick on Shannon |
| Sroove | 249 | Roscommon | Killukin | Strokestown |
| Stag Island | 8 | Boyle | Boyle | Boyle |
| Steill | 291 | Roscommon | Ogulla | Strokestown |
| Stonepark | 41 | Frenchpark | Kilmacumsy | Boyle |
| Stonepark | 125 | Boyle | Kilronan | Boyle |
| Stonepark | 144 | Castlereagh | Kiltullagh | Castlereagh |
| Stonepark | 106 | Frenchpark | Tibohine | Castlereagh |
| Stonepark | 724 | Ballintober South | Roscommon | Roscommon |
| Stonepark North | 45 | Castlereagh | Kiltullagh | Castlereagh |
| Stonepark South | 85 | Castlereagh | Kiltullagh | Castlereagh |
| Strokestown | Town | Roscommon | Bumlin | Strokestown |
| Strokestown | Town | Roscommon | Kiltrustan | Strokestown |
| Suckfield | 127 | Moycarn | Creagh | Ballinasloe |
| Swallow Island | 4 | Boyle | Ardcarn | Boyle |
| Swinefield | 230 | Castlereagh | Kiltullagh | Castlereagh |
| Taduff East | 115 | Athlone | Drum | Athlone |
| Taduff West | 193 | Athlone | Drum | Athlone |
| Taghboy | 849 | Athlone | Taghboy | Athlone |
| Taghmaconnell | 728 | Athlone | Taghmaconnell | Athlone |
| Taghnarra | 647 | Castlereagh | Kilkeevin | Castlereagh |
| Taghnoose | 442 | Castlereagh | Kilkeevin | Castlereagh |
| Tansyfield | 132 | Roscommon | Elphin | Strokestown |
| Tartan | 513 | Frenchpark | Kilmacumsy | Boyle |
| Tawlaght | 154 | Boyle | Kilronan | Boyle |
| Tawlaght | 84 | Boyle | Killukin | Carrick on Shannon |
| Tawnagh | 554 | Athlone | Taghmaconnell | Athlone |
| Tawnagh More | 96 | Ballintober North | Kilmore | Carrick on Shannon |
| Tawnyneden | 147 | Boyle | Boyle | Boyle |
| Tawnyrover | 113 | Frenchpark | Tibohine | Castlereagh |
| Tawnytaskin | 232 | Boyle | Boyle | Boyle |
| Taylorstown | 171 | Athlone | Drum | Athlone |
| Teermore | 99 | Frenchpark | Kilmacumsy | Boyle |
| Teevnacreeva | 271 | Frenchpark | Tibohine | Castlereagh |
| Telton | 79 | Roscommon | Cloonfinlough | Strokestown |
| Termon | 207 | Boyle | Boyle | Boyle |
| Termon Beg | 330 | Castlereagh | Kilkeevin | Castlereagh |
| Termon More | 643 | Castlereagh | Kilkeevin | Castlereagh |
| Thomastown Demesne | 658 | Athlone | Drum | Athlone |
| Tibarney | 202 | Athlone | Tisrara | Roscommon |
| Tibohine | 305 | Frenchpark | Tibohine | Castlereagh |
| Timanagh | 403 | Castlereagh | Ballintober | Castlereagh |
| Timpaun | 136 | Boyle | Kilronan | Boyle |
| Tinacarra | 135 | Boyle | Boyle | Boyle |
| Tintagh | 473 | Boyle | Boyle | Boyle |
| Tirconnellbeg | 79 | Athlone | Dysart | Athlone |
| Tivannagh | 239 | Boyle | Boyle | Boyle |
| Toberataravan | 116 | Boyle | Tumna | Boyle |
| Toberavaddy | 302 | Athlone | Fuerty | Roscommon |
| Toberconor | 167 | Athlone | Rahara | Roscommon |
| Toberdan | 519 | Athlone | St. Johns | Athlone |
| Toberelva | 125 | Castlereagh | Baslick | Castlereagh |
| Toberiheen | 163 | Moycarn | Moore | Ballinasloe |
| Toberkeagh | 163 | Castlereagh | Ballintober | Castlereagh |
| Toberkeagh | 277 | Athlone | Athleague | Roscommon |
| Tobermacloughlin | 459 | Athlone | Taghmaconnell | Athlone |
| Tobermakee | 228 | Ballymoe | Drumatemple | Castlereagh |
| Toberpatrick | 515 | Roscommon | Kiltrustan | Strokestown |
| Toberreeoge | 71 | Athlone | Kilmeane | Roscommon |
| Toberrory | 574 | Roscommon | Elphin | Strokestown |
| Togher | 509 | Athlone | Taghmaconnell | Ballinasloe |
| Tonaknick | 36 | Frenchpark | Kilcolagh | Boyle |
| Tonalig | 464 | Moycarn | Creagh | Ballinasloe |
| Tonbaun | 294 | Ballymoe | Cloonygormican | Castlereagh |
| Tonereagh | 82 | Castlereagh | Baslick | Castlereagh |
| Tonlegee | 744 | Ballintober South | Kilbride | Roscommon |
| Tonlegee | 369 | Ballintober South | Kilteevan | Roscommon |
| Tonlemone | 147 | Moycarn | Creagh | Ballinasloe |
| Tonrevagh | 167 | Castlereagh | Kilkeevin | Castlereagh |
| Tonroe | 211 | Castlereagh | Baslick | Castlereagh |
| Tonroe (o Creen) | 306 | Frenchpark | Kilnamanagh | Boyle |
| Tonroe (o Feenagh) | 217 | Frenchpark | Kilnamanagh | Boyle |
| Tonvey | 298 | Moycarn | Moore | Ballinasloe |
| Tonycurneen | 66 | Roscommon | Lissonuffy | Strokestown |
| Tooloscan | 149 | Ballintober North | Kilmore | Carrick on Shannon |
| Toomona | 300 | Roscommon | Ogulla | Strokestown |
| Toomore | 456 | Roscommon | Aughrim | Carrick on Shannon |
| Tooreen | 75 | Roscommon | Lissonuffy | Strokestown |
| Toormore | 116 | Boyle | Killukin | Carrick on Shannon |
| Toorymartin | 92 | Boyle | Killukin | Carrick on Shannon |
| Torpan Beg | 233 | Athlone | Taghboy | Athlone |
| Torpan More | 241 | Athlone | Taghboy | Athlone |
| Tournagee | 192 | Frenchpark | Kilnamanagh | Boyle |
| Townparks | 183 | Moycarn | Creagh | Ballinasloe |
| Trean | 76 | Athlone | Kilmeane | Roscommon |
| Treanacreeve | 191 | Roscommon | Lissonuffy | Strokestown |
| Treanagry | 287 | Boyle | Estersnow | Boyle |
| Treanamarly | 260 | Boyle | Estersnow | Boyle |
| Trien | 483 | Castlereagh | Kilkeevin | Castlereagh |
| Trila (Dillon) | 318 | Roscommon | Lissonuffy | Strokestown |
| Trila (Martin) | 296 | Roscommon | Lissonuffy | Strokestown |
| Trilacroghan | 322 | Ballintober South | Kilgefin | Roscommon |
| Trinity Island | 1 | Boyle | Kilbryan | Boyle |
| Tromaun | Town | Athlone | Athleague | Roscommon |
| Tromaun | 716 | Athlone | Athleague | Roscommon |
| Tuam | 467 | Ballintober South | Kilgefin | Roscommon |
| Tullaghan | 317 | Frenchpark | Kilnamanagh | Boyle |
| Tullaghan | 326 | Castlereagh | Kilcorkey | Castlereagh |
| Tullen | 147 | Roscommon | Kiltrustan | Strokestown |
| Tullintuppen | 246 | Roscommon | Elphin | Strokestown |
| Tully | 204 | Moycarn | Moore | Ballinasloe |
| Tully | 255 | Ballintober North | Kilmore | Carrick on Shannon |
| Tully | 1.182 | Castlereagh | Kilcorkey | Castlereagh |
| Tully | 916 | Frenchpark | Tibohine | Castlereagh |
| Tully | 288 | Ballintober South | Kilbride | Roscommon |
| Tully | 413 | Ballintober North | Kilglass | Strokestown |
| Tullyboy | 166 | Boyle | Estersnow | Boyle |
| Tullycarton | 114 | Roscommon | Elphin | Strokestown |
| Tullyleague | 96 | Boyle | Tumna | Carrick on Shannon |
| Tullyloyd | 218 | Roscommon | Elphin | Strokestown |
| Tullynahaw | 482 | Boyle | Kilronan | Boyle |
| Tullynahearka | 82 | Roscommon | Aughrim | Carrick on Shannon |
| Tullyneeny | 182 | Athlone | Taghboy | Athlone |
| Tullyroe | 149 | Athlone | Kilmeane | Roscommon |
| Tullytawen | 681 | Boyle | Kilronan | Boyle |
| Tullyval | 156 | Boyle | Ardcarn | Boyle |
| Tullyvarran | 455 | Roscommon | Lissonuffy | Strokestown |
| Tullyvohaun | 244 | Boyle | Estersnow | Boyle |
| Tulrush | 208 | Moycarn | Creagh | Ballinasloe |
| Tulsk | Town | Roscommon | Ogulla | Strokestown |
| Tulsk | 76 | Roscommon | Ogulla | Strokestown |
| Tumna | 182 | Boyle | Tumna | Carrick on Shannon |
| Turkisland | 117 | Ballymoe | Oran | Roscommon |
| Turlagh | 17 | Boyle | Ardcarn | Boyle |
| Turlagh | 59 | Frenchpark | Creeve | Carrick on Shannon |
| Turlagh | 249 | Athlone | Rahara | Roscommon |
| Turlagharee | 121 | Frenchpark | Tibohine | Castlereagh |
| Turlaghmore | 250 | Athlone | Taghmaconnell | Athlone |
| Turlaghnamaddy | 78 | Frenchpark | Tibohine | Castlereagh |
| Turrock | 699 | Athlone | Taghboy | Athlone |
| Urrasaun | 228 | Frenchpark | Tibohine | Castlereagh |
| Usna | 201 | Boyle | Tumna | Boyle |
| Vesnoy | 189 | Roscommon | Bumlin | Strokestown |
| Warren | 121 | Athlone | St. Johns | Athlone |
| Warren (o Drum) | 581 | Boyle | Boyle | Boyle |
| Willsborough | 217 | Castlereagh | Kiltullagh | Castlereagh |
| Willsbrook | 465 | Castlereagh | Kilkeevin | Castlereagh |
| Willsgrove | 711 | Castlereagh | Ballintober | Castlereagh |
| Windmillpark (o Chanterland) | 103 | Roscommon | Elphin | Strokestown |
| Woodbrook | 354 | Boyle | Tumna | Carrick on Shannon |
| Woodfield | 284 | Boyle | Ardcarn | Boyle |
| Yellow Island Large | 1 | Athlone | Kiltoom | Athlone |
| Yellow Island Little | 1 | Athlone | Kiltoom | Athlone |

## Referències

* ↑ The IreAtlas townland database Arxivat 2009-10-03 a Wayback Machine.. Consultat: 2010-09-10.
* ↑ Irish Placenames Database. Consultat: 2010-09-10.