List of the Bishops of Ardagh
The following people were Bishops of Ardagh ( Ireland ):
- 454 Mel
- approx. 670 Erard
- 874 Faelghus
- 1048 Cele
- 1152–1166 Mac Raith et al. Morain, † 1168
- 1172–1178 Gilla Crist Ua hEothaig [Christianus]
- 1187 O'Tirlenain
- among others heislinnen, † 1188
- Annud O Muiredaig [Adam], † 1216
- 1217-1224 Robert OCist
- 1224–1229 Simon Magraith [MacBath or MacGeoffrey]
- 1228–1230 Joseph mac Teichthechain [Joseph Mac Eódaig ('Magoday')]
- 1229-1230 Mac Raith Mac Serraig
- around 1230 Thomas
- 1232–1237 Gilla Isu mac in Scelaige O Tormaid [Gelasius]
- 1232-1237 Iocelinus OCist
- 1238–1252 Brendan Mac Teichthechain [Brendán Mac Eódaig ('Magoday')]
- 1256-1288 Milo of Dunstable
- 1290–1322 Matha O'hEothaig [Matthew]
- 1323 Robert Wirsop OESA (afterwards Bishop of Connor)
- 1324-1343 Seoan Mac Eoaigh [John Magee]
- 1347–1367 Eoghan O Ferghail [Audovenus, Owen O'Ferral, Maolsheachlainn]
- 1368-1373 Uilliam MacCarmaic [William MacCarmaic]
- 1373-1378 Cairbre O'Ferghail [Karl O'Ferrall]
- 1373 John Aubrey OP
- 1392 Henry Nony OP
- 1396-1400 Comedinus Mac Bradaigh [Gilbert MacBrady]
- 1400-1416 Adam Leyn's OP
- 1419–1423 Conchobar O'Ferghail [Cornelius O'Ferrall]
- 1425-1444 Risdeard O'Ferghail OCist [Richard O'Ferrall]
- 1444–1445 O'Murtry [Mac Muircheartaigh] (no consecration)
- 1445-1462 Cormac Mac Shamhradhain OSA
- 1462 Seaan O'Ferghail [John O'Ferrall]
- 1467-1469 Donatus O'Ferghail
- 1469–1479 Seaan O'Ferghail (2nd time)
- 1482-1516 Uilliam O'Ferghail OCist [William O'Ferrall]
- 1517–1540 Ruaidhrí Ó Máel Eóin [Ruaidri O'Maoileoin, Rory O'Mallone, Roger O Melleine]
- Patrick MacMahon OFM (1541 – ca. 1572)
- Richard Brady OFM (1576–1580) (afterwards Bishop of Kilmore)
- Edmund MacGauran (Magauran) (1581–1587) (afterwards Archbishop of Armagh)
-
Sedis vacancy (1580–1622)
- 1622 - approx. 1637 John Gaffney (Vicar Apostolic)
- 1637 Cornelius Gaffney (Vicar Apostolic)
- Patrick Plunkett OCist (1647–1669) (afterwards Bishop of Meath)
- 1669–1683 Gerard Farrell ( Vicar Apostolic )
- 1688 Gregory Fallon ( Apostolic Administrator ) (also Bishop of Clonmacnoise)
- 1696 Charles Tiernan (Vicar Apostolic)
- 1699 Bernard Donogher (Vicar Apostolic)
- 1709–1711 Ambrose O'Conor (Vicar Apostolic)
- Thomas Flynn (1718-1730)
- Peter Mulligan OSA (1732-1739)
- Thomas O'Beirne (1739–1747)
- Thomas MacDermot Roe (1747–1751)
- Augustine Cheevers OSA (7151–1756) (afterwards Bishop of Meath)
- Anthony Blake (1756–1758) (afterwards Archbishop of Armagh)
- James Brady (1758-1788)
- John Cruise (1788-1812)
- James Magauran (1815-1829)
- William O'Higgins (1829-1853)
- John Kilduff (1853-1867)
- Neale MacCabe CM (1867-1870)
- George Michael Conroy (1871–1878)
- Bartholomew Woodlock (1879–1895)
- Joseph Hoare (1895-1927)
- James Joseph MacNamee (1927-1966)
- Cahal Daly (1967-1982)
- Colm O'Reilly (1983-2013)
- Francis Duffy (2013-present)