Siryfion Morgannwg yn y 19eg ganrif

Mae hon yn rhestr o ddeiliaid swydd Siryf Sir Forgannwg rhwng 1800 a 1899

Siryf yw cynrychiolydd cyfreithiol y Brenin, a benodir yn flynyddol ar gyfer pob sir yng Nghymru a Lloegr, ei ddyletswydd yw cadw'r heddwch yn ei sir a sicrhau ufudd-dod i gyfraith y Brenin. Yn wreiddiol, roedd yn swydd o statws a grym, ond bellach mae'n swydd seremonïol yn bennaf.
1800au
1800: Robert Jenner, Castell Gwenfo
1801: Llewelyn Traherne, Saint Hilari
1801: Robert Jones, Castell Ffwl-y-mwn
1802: Richard Mansel-Philips, Neuadd Sgeti
1803: John Morris, Clasemont
1804: Richard Turberville Picton, Ewenni
1805: Thomas Markham, Nash Manor
1806: Anthony Bacon, Cyfarthfa
 1807: George Winch, Clemenstone
1808: Anrh. William Booth Grey, Dyffryn
1808: John Nathaniel Miers, Llangatwg
1809: Syr Jeremiah Homfray, Llandaf House
1810: Thomas Lockwood, Dan-y-graig

1810au
bawd|John Josiah Guest
 1811: Syr Robert Lynch-Blosse, 8fed Barwnig, Gabalfa
 1812: Morgan Popkin Traherne, Coytrahen
 1813: William Jones, Corntwn
 1814: Anrh. William Booth Grey, Dyffryn
 1815: William Taitt, Caerdydd
 1816 John Grant Henry, Castell Gnoll, disodli gan Richard John Hill, Plymouth Lodge, Merthyr Tudful
 1817 Thomas Bates Rous, Cwrtyrala, Llanfihangel-y-Pwll
 1818 Lewis Weston Dillwyn, Neuadd Sgeti
 1819 Josiah John Guest, Tŷ Dowlais, Merthyr Tudful
 1820 Richard Blakemore, Felindre, Yr Eglwys Newydd

1820au
bawd|Castell Cyfarthfa
1821 William Forman, Peydarren, Merthyr Tudful
1822 Syr John Morris, 2il Farwnig, Bryn a Mharc Sgeti, Abertawe
1823 John Edwards, Rheola, Resolfen
1824 John Bassett, Tresimwn
1825 John Bennet, Trelales
1826 Thomas Edward Thomas, Abertawe 
1827 John Henry Vivian, Marino, Abertawe
1828 Robert Francis Jenner, Gwenfô 
1829 William Crawshay yr iau, Castell Cyfarthfa, Merthyr Tudful

1830au
bawd|John Dillwyn Llewellyn US 1835*1830 William Williams, Aberpergwm
1831: Richard Hoare Jenkins, Llanharran
1832: Frederick Fredricks, Duffryn
1833: Richard Turberville Turberville, Abaty Ewenni
1834: John Grant Henry, Castell Gnoll
1835: John Dillwyn Llewellyn, Penllergare
1836: Thomas Penrice, Kilvrough
1837: Howel Gwyn, Alltwen
1838: Nash Vaughan Edwards-Vaughan
1839: Charles Henry Smith, Gwernllwynwyth

1840au
1840: Michael Williams, Morfa
1841: Joseph Martin, Ynystawe
1842: Henry Lucas, Uplands
1843: John Homfray, Llandaf-House
1844: John Bruce Pryce, Duffryn
1845: Robert Savours, Trecastell
1846: Richard Franklen, Clementston
1847: Nash Vaughan Edwards-Vaughan, Rheola
1848: Thomas William Booker, Felindre
1849: Robert Boteler, Castell Llandochau a Maesmawr

1850au
bawd|Castell Hensol
1850: Rowland Fothergill, Castell Hensol
1851: Gervas Powell Turbervill, Abaty Ewenni
1852: Griffith Llewellyn, Neuadd Baglan
1853: Richard Hill Miers, Ynispenllwch
1854: William Llewellyn, Courtcolman
1855: Wyndham William Lewis, y Mynydd Bychan, ger Caerdydd
1856: John Samuel, Plas Dinefwr
1857: Evan Williams, Duffryn-frwd
1858: Henry Lewis, Green Meadow
1859: Charles Crofts Williams, Roath Court

1860au
1860: George Grey Rous, Llys-y-ralla
1861: Edward Robert Wood, Stouthall
1862: Syr Ivor Guest, 2il Farwnig, Sili House
1863: John Popkin Traherne, Coytrahene
1864: Robert Francis Lascelles Jenner, Castell Gwenfo
1865: Thomas William Booker, Felindre
1866: William Graham Vivian, Singleton, ger Abertawe
1867: Thomas Penrice, Kilvrough House, ger Abertawe
1868: George Thomas Clark, Talygarn
1869: Edward Romilly, Porthceri
1870au
1870: George Williams Griffiths Thomas, Coedriglan
1871: Vaughan Hanning Lee, Lanelay, ger Pontypridd
1872: Charles Henry Williams, Roath Court, Caerdydd
1873: Francis Edmund Stacey, Llandochau
1874: John Nicholl Carne Whitlock, Sain Dunwyd
1875: Morgan Stuart Williams, Aberpergwm
1876: Thomas Picton Turbervill, Ewenni
1877: Herbert Lloyd, Plas Cilybebyll
1878: John Talbot Dillwyn Llewellyn
1879: Richard Knight Prochard, Graig Avon, Taibach

1880au
bawd|John Jones Jenkins, Arglwydd Glantawe yn Vanity Fair
1880: John Trevillian Jenkins, Abertawe
1881: John Crow Richardson, Abertawe
1882: Syr Joseph Layton Elmes Spearman, 2il Farwnig, Lanelay, Pontyclun
1883: Lt-Genl. Henry Roxley Benson, Fairy Hill, Gŵyr
1884: John Cole Nicholl, Merthyr Mawr
1885: Lt Col-. Edward Stoc Hill, Rookwood, Llandaf
1886: Lt Col-Charles Richard Franklen, Clemenston
1887: Tudor Crawshay, Tresimwn
1888: John Henry Rowland, Ffrwd Vale, Castell-nedd
1889: John Jones Jenkins

1890au
bawd|Priordy Ewenni
1890: Frederick Lewis Davis, Bryndderwen, Glynrhedynog
1891: Edward Rice Daniel, Cwmgelly, ger Abertawe
1892: Arthur Gilbertson, Glanrhyd, Pontardawe
1893: Robert Forrest, Sain Ffagan, Caerdydd
1894: Morgan Bransby Williams, Cilâ, ger Abertawe
1895: Ralph Thurstan Bassett, Grossways, Y Bont-faen,
1896: Cyrnol John Picton Turbervill, Priordy Ewenni
1897: Godfrey Lewis Clark, Talygarn, Pontyclun
1898: Thomas Roe Thompson, Erw'r Delyn, ger Penarth
1899: John Dillwyn Illtyd Nicholl, Merthyr Mawr

Categori:19eg ganrif yng Nghymru
* 1800