# List of monastic houses in County Londonderry

The following is a list of the monastic houses in County Londonderry, Northern Ireland.
The smaller establishments such as monastic cells and notable monastic granges (particularly those with resident monks) and camerae of the military orders of monks (Knights Templars and Knights Hospitallers) are included. The numerous monastic hospitals per se are not included here unless at some time the foundation had, or was purported to have, the status or function of an abbey, priory, or preceptory/commandery.

## Layout

Communities/provenance: shows the status and communities existing at each establishment, together with such dates as have been established as well as the fate of the establishment after dissolution, and the current status of the site.
Formal name or dedication: shows the formal name of the establishment or the person in whose name the church is dedicated, where known.
Alternative names: some of the establishments have had alternative names over the course of time. In order to assist in text-searching such alternatives in name or spelling have been provided.

## Abbreviations and Key

The sites listed are ruins or fragmentary remains unless indicated thus: :
| * | current monastic function |
| + | current non-monastic ecclesiastic function |
| ^ | current non-ecclesiastic function |
| = | remains incorporated into later structure |
| # | no identifiable trace of the monastic foundation remains |
| ~ | exact site of monastic foundation unknown |
| ø | possibly no such monastic foundation at location |
| ¤ | no such monastic foundation |
| ≈ | identification ambiguous or confused |
Locations with names in italics indicate probable duplication (misidentification with another location) or non-existent foundations (either erroneous reference or proposed foundation never implemented).
Trusteeship denoted as follows: :
| NIEA | Scheduled Monument (NI) |
| NM | National Monument (ROI) |
| C.I. | Church of Ireland |
| R.C. | Roman Catholic Church |
Download coordinates as:
* KML
* GPX (all coordinates)
* GPX (primary coordinates)
* GPX (secondary coordinates)
| Foundation | Image | Communities & Provenance | Formal Name or Dedication & Alternative Names | OnLine References & Location |
| Aghadowey Monastery $^#$ | | early monastic site; hospital of St Gowry 1603 | Achad-dubthaigh; Achedoffey | 55°01′45″N 6°39′27″W﻿ / ﻿55.02928°N 6.65749°W﻿ / 55.02928; -6.65749﻿ (Aghadowey Monastery) |
| Aghanloo Monastery | | early monastic site; under erenaghs until 16th century | Ath-luga; Ath-longe; Allowa | 55°05′37″N 6°56′14″W﻿ / ﻿55.093742°N 6.93718°W﻿ / 55.093742; -6.93718﻿ (Aghanloo Monastery) |
| Agivey Monastery | | early monastic site; purportedly founded 7th century by St Guar of Aghadowey; Cistercian monks grange of Macosquin | Augheve; Athgeybi | 55°02′22″N 6°35′16″W﻿ / ﻿55.03937°N 6.58776°W﻿ / 55.03937; -6.58776﻿ (Agivey Monastery) |
| Ballymagrorty Monastery (Derry Diocese) | | early monastic site, founded 6th century by St Colmcille | Baile-meg-robhartaig; Baile-megrabhartaigh | 55°05′41″N 6°39′49″W﻿ / ﻿55.0946007°N 6.6635672°W﻿ / 55.0946007; -6.6635672﻿ (Ballymagrorty Monastery (Derry Diocese)) |
| Ballynascreen Monastery | | early monastic site, founded 6th century by St Colmcille | Scrin-coluim-cille | 54°45′33″N 6°52′00″W﻿ / ﻿54.75914°N 6.86654°W﻿ / 54.75914; -6.86654﻿ (Ballynascreen Monastery) |
| Banagher Monastery | | early monastic site, traditionally founded 11th century? by St Muriedbach O'Heney; under erenaghs until early 17th century | Bennchor; Bangoria | 54°53′19″N 6°58′23″W﻿ / ﻿54.8884889°N 6.9730569°W﻿ / 54.8884889; -6.9730569﻿ (Banagher Monastery) |
| Bovevagh Monastery | | early monastic site, purportedly founded 575 by St Colmcille; oratory burned 1100; under erenaghs until 17th century | Both-mheidhbhe; Both-medhbha | 54°57′33″N 6°56′44″W﻿ / ﻿54.9591207°N 6.9455911°W﻿ / 54.9591207; -6.9455911﻿ (Bovevagh Monastery) |
| Camus Monastery | | early monastic site, founded before c.580; under erenaghs until 16th/17th century | Camas; Cambos; Camsa | 55°06′02″N 6°38′06″W﻿ / ﻿55.10056°N 6.63513°W﻿ / 55.10056; -6.63513﻿ (Camus Monastery) |
| Church Island Monastery, Lough Beg | | early monastic site; plundered by Ulidians 1129; under erenaghs until early 17th century | St Mochonna (possibly St Mochonna of Killyman) ____________________ Inistaiti; InisTeda; Ballyscullion; Inish Taoide | 54°47′24″N 6°29′05″W﻿ / ﻿54.7899946°N 6.4847811°W﻿ / 54.7899946; -6.4847811﻿ (Church Island Monastery) |
| Coleraine Monastery St Patrick's | | early monastic site, founded 5th century by St Patrick; burned 731; suffered destruction 1171 and 1177; | Cuil Raithin; Cul-rathain; Colran; Bannin; | 55°07′55″N 6°40′07″W﻿ / ﻿55.13202°N 6.66850°W﻿ / 55.13202; -6.66850﻿ (Coleraine Monastery - St Patrick's) |
| Coleraine Monastery St Carbreus | | early monastic site, founded 6th century by St Carbreus; dismantled in 1213, Drumtarsey castle erected on site | Cuil Raithin; Abbey of the Bann | 55°08′04″N 6°40′43″W﻿ / ﻿55.13432°N 6.67859°W﻿ / 55.13432; -6.67859﻿ (Coleraine Monastery - St Carbreus (approx.)) (approx) |
| Coleraine Friary | | Dominican Friars founded 1244; Dominican Friars, Regular Observant reformed 1484; dissolved 1543 | St Mary | 55°07′49″N 6°40′21″W﻿ / ﻿55.13040°N 6.67237°W﻿ / 55.13040; -6.67237﻿ (Coleraine Friary (approx.)) (approx) |
| Coleraine Killowen | | founded 1248 | Drumtarsy; Cill Eoghain - Owen's church; Cill-Eogain - St John's Church | 55°07′42″N 6°40′35″W﻿ / ﻿55.12834°N 6.67638°W﻿ / 55.12834; -6.67638﻿ (Coleraine Killowen (approx.)) (approx) |
| Cumber Monastery | | early monastic site, traditionally founded 5th century by St Patrick; under secular erenaghs until early 17th century | Combior; Camer; Commyr | 54°54′20″N 7°09′42″W﻿ / ﻿54.905604°N 7.161785°W﻿ / 54.905604; -7.161785﻿ (Cumber Monastery) |
| Derry Monastery $^~$ | | early monastic site, traditionally founded c.546 by St Colmcille, but probably c.590 by Fiachra mac Ciárain mac Ainmerech mac Sétna; St Augustine's C.I. Church or St Columb's Church are cited as alternative possible locations of the monastery | Daire-calgach; Doire-Choluim-Chille; Daire Duib-recles; Cella Nigra | 54°59′41″N 7°19′26″W﻿ / ﻿54.9947366°N 7.3239221°W﻿ / 54.9947366; -7.3239221﻿ (St Augustine's Church, poss. site of Derry Monastery) possible or 54°59′34″N 7°19′43″W﻿ / ﻿54.9929°N 7.3285°W﻿ / 54.9929; -7.3285﻿ (Long Tower Church (St Columb's Church, poss. site of Derry Monastery) possible |
| Derry Abbey | | Augustinian Canons Regular — Arroasian — affiliated to SS Peter & Paul, Armagh; founded c.1233?; reportedly in very poor state of repair by 1411, due to warfare and adversity; churches desecrated and community expelled 1566; under occupation by English troops under Colonel Edward Randolph; restored? canons possibly briefly returned; dissolved 1576?; reoccupied by the English; Augustinian Friars refounded c.1643 | Cella Nigra | |
| Derry Priory | | Cistercian nuns founded 1218; dissolved 1512 | | |
| Derry Franciscan Priory | purported foundation of Franciscan Friars; (in 1609 the commissioners erroneously took the ruins of the Blackfriars house (see immediately below) to be Franciscan) | purported foundation of Franciscan Friars; (in 1609 the commissioners erroneously took the ruins of the Blackfriars house (see immediately below) to be Franciscan) | purported foundation of Franciscan Friars; (in 1609 the commissioners erroneously took the ruins of the Blackfriars house (see immediately below) to be Franciscan) | purported foundation of Franciscan Friars; (in 1609 the commissioners erroneously took the ruins of the Blackfriars house (see immediately below) to be Franciscan) |
| Derry — St Dominic's Priory | | spurious accounts of earlier Dominican foundation; Dominican Friars founded 1274; dissolved 1576; briefly restored? | St Dominic | |
| Desertmartin Monastery | | early monastic site, apparently founded by a member of the O'Lynn family (suggested by the name Mainister O'Fhloinn); erenaghs until 16th century | Mainister O'Fhloinn; Moneysterlin | 54°46′12″N 6°40′15″W﻿ / ﻿54.76996°N 6.67091°W﻿ / 54.76996; -6.67091﻿ (Desertmartin Monastery) |
| Desertoghill Monastery | | early monastic site, purportedly founded by St Colmcille; erenaghs until 16th century | Disert-ui-tuathghaill; Desert-O'Tuohill | 54°58′23″N 6°40′18″W﻿ / ﻿54.97308°N 6.67169°W﻿ / 54.97308; -6.67169﻿ (Desertoghill Monastery) |
| Donnybrewer Monastery | | early monastic site | Domnach-dala; Domnach-dola | 55°02′46″N 7°13′44″W﻿ / ﻿55.0461037°N 7.2287786°W﻿ / 55.0461037; -7.2287786﻿ (Donnybrewer Monastery (approx.)) (approx) |
| Drumachose Abbey | | early monastic site, patronised 6th century by St Cainnech | Druimcoos; Dirumcoos; Dronagh; Drungrosa; Roa | 55°03′03″N 6°54′59″W﻿ / ﻿55.05086°N 6.91641°W﻿ / 55.05086; -6.91641﻿ (Drumachose Abbey) |
| Dunboe Monastery | | early monastic site, founded by St Adamnan; erenaghs until 16th century | Dun-bo; ~co Dun-mbó i n-Dal riatai; Duna-uó, a tempull; Durrbo, par. ecclesie de | 55°09′36″N 6°48′40″W﻿ / ﻿55.160055°N 6.811075°W﻿ / 55.160055; -6.811075﻿ (Dunboe Monastery) |
| Duncrun Monastery | | early monastic site, founded by St Patrick | Dun-cruithne | 55°08′48″N 6°56′01″W﻿ / ﻿55.1466853°N 6.9335211°W﻿ / 55.1466853; -6.9335211﻿ (Duncrun Monastery (approx.)) (approx) |
| Dungiven Monastery | | early monastic site, founded 7th century, by St Naechtain? | Dun-geimin; Dun-giobhin; Dun-gevin | 54°55′02″N 6°55′18″W﻿ / ﻿54.917333°N 6.9216549°W﻿ / 54.917333; -6.9216549﻿ (Dungiven Monastery) |
| Dungiven Priory | | Augustinian Canons Regular — Arroasian? founded after 1140? (after 1138?), purportedly by the O'Cahan family; dissolved before 1603; round tower incorporated into church, but collapsed c.1784 | St Mary | 54°55′02″N 6°55′18″W﻿ / ﻿54.917333°N 6.9216549°W﻿ / 54.917333; -6.9216549﻿ (Dungiven Monastery) |
| Errigal Monastery | | early monastic site, purportedly founded 6th century by St Colmcille; destroyed by Norsemen 9th century; erenaghs until 16th/17th century | Airecal-Adamnan; Arragel; Temple Erigall; Airecuil, Cainnech | 54°58′32″N 6°44′03″W﻿ / ﻿54.97550°N 6.73408°W﻿ / 54.97550; -6.73408﻿ (Errigal Monastery (approx.)) (approx) |
| Faughanvale Monastery | | early monastic site, erenaghs until 16th century | St Canice (St Conici) ____________________ Nuachongbail; Fochwayll; Killeitra; Tircaerthian | 55°01′57″N 7°05′42″W﻿ / ﻿55.032436°N 7.094947°W﻿ / 55.032436; -7.094947﻿ (Faughvale Monastery) |
| Kilcronaghan Monastery | | early monastic site, patronised by St Cruithnechan; erenaghs until early 17th century | Cell-cruithneachain | 54°47′40″N 6°44′00″W﻿ / ﻿54.79438°N 6.73333°W﻿ / 54.79438; -6.73333﻿ (Kilcronaghan Monastery) |
| Killelagh Monastery | erroneously given as County Derry in Gwynn & Hadcock index — actually County Donegal | erroneously given as County Derry in Gwynn & Hadcock index — actually County Donegal | erroneously given as County Derry in Gwynn & Hadcock index — actually County Donegal | erroneously given as County Derry in Gwynn & Hadcock index — actually County Donegal |
| Kilrea Monastery | | early monastic site; erenagh land until 1609 | Cell-reagh | 54°56′00″N 6°34′42″W﻿ / ﻿54.93341°N 6.57827°W﻿ / 54.93341; -6.57827﻿ (Kilrea Monastery) |
| Lan More Friary $^~$ | | Franciscan Friars, Third Order Regular foundation unknown; dissolution unknown; possibly County Londonderry or County Antrim | Landmore? | 55°02′05″N 6°36′34″W﻿ / ﻿55.0347919°N 6.6093536°W﻿ / 55.0347919; -6.6093536﻿ (Lan More Friary) |
| Lissan Monastery | | early monastic site, founded before 744 | Lessan; ~Lessain episcopi; ~Lesan i Sliabh Callann,ó; ~o Lesan i Sliabh Callan | 54°41′07″N 6°46′05″W﻿ / ﻿54.685226°N 6.7681474°W﻿ / 54.685226; -6.7681474﻿ (Lissan Monastery (approx.)) (approx) |
| Macosquin Abbey $^+$ | | Cistercian monks — from Morimond, France founded 1218; dissolved before 1600; granted to the London Companies (Merchant Taylors) authorities for the plantation of Derry; house named 'Glebe House' built on site of claustral buildings c.1770; scant remains of monastic church incorporated into St Mary's C.I. parish church, built on site | Clarus Fons; Magoscain; Moycoscain | 55°05′59″N 6°42′26″W﻿ / ﻿55.0997568°N 6.7070842°W﻿ / 55.0997568; -6.7070842﻿ (Macosquin Abbey) |
| Maghera Monastery $^+$ | | early monastic site, founded 6th century by St Lurach; plundeded by the Norsemen 832; church burnt 1135; diocesan cathedral see transferred from Ardstraw c.1152; see transferred to Derry 1254 | Machaire-ratha-luraig; Rath-Luraig; Rath-lure | 54°50′32″N 6°40′24″W﻿ / ﻿54.84213°N 6.673466°W﻿ / 54.84213; -6.673466﻿ (Maghera Monastery) |
| Magilligan Monastery | | early monastic site, erenagh land until early 17th century | Aird-megiollagain; Ardia; Scrin-i-nArdia; Ballynascreen-ardia; Tamlachta-ard; Tamlaght-ard; The Shrine of St Columb | 55°07′44″N 6°56′33″W﻿ / ﻿55.1289776°N 6.9424186°W﻿ / 55.1289776; -6.9424186﻿ (Magilligan Monastery (approx.)) (approx) |
| Tamlaght Finlagan Monastery | | early monastic site, founded 585 by St Fionn-logha; erenaghs until early 17th century; site occupied by remains of a church destroyed 1641 | Tamlacht-fionloga; Templefinlagan; Ballykelly | 55°02′26″N 6°58′50″W﻿ / ﻿55.0404831°N 6.9806735°W﻿ / 55.0404831; -6.9806735﻿ (Tamlaght Finlagan Monastery) |
| Tamlaght O'Crilly Monastery | | early monastic site; erenaghs until early 17th century | Ta, lachta-mac-ninaich | 54°53′37″N 6°34′59″W﻿ / ﻿54.89365°N 6.58304°W﻿ / 54.89365; -6.58304﻿ (Tamlaght O'Crilly Monastery) |
| Termoneeny Monastery | | early monastic site; erenaghs until early 17th century | ~in Enga; Termon-any Eanegea | 54°50′00″N 6°40′02″W﻿ / ﻿54.83334°N 6.66735°W﻿ / 54.83334; -6.66735﻿ (Termoneeny Monastery) |

## Map link to lists of monastic houses in Ireland by county

| Click on a county to go to the corresponding article | Antrim Armagh Down Fermanagh Londonderry Tyrone Carlow Cavan Clare Cork Donegal Dublin Galway Kerry Kildare Kilkenny Laois Leitrim Limerick Longford Louth Mayo Meath Monaghan Offaly Roscommon Sligo Tipperary Waterford Westmeath Wexford Wicklow |