Bishop of the Diocese of Clogher

Cináeth Ua Baígill ( – 1135)  
Gilla Críst Ua Morgair  (1135 – 1138)  
Áed Ua Cáellaide (1138 – 1178)  
Mael Ísu Ua Cerbaill (1178 – 1186/7)  
Gilla Críst Ua Mucaráin (c.1187 – 1193)  
Máel Ísu Ua Máel Chiaráin (1194 – 1197)  
Gilla Tigernaig Mac Gilla Rónáin (c.1197 – 1218)  
Donatus Ó Fidabra (c.1218 – c.1227)  
Nehemias Ó Brácáin (1227 – 1240)  
David Ó Brácáin (c.1245 – 1267)  
Michael Mac an tSáir (1268 – 1287)  
Matthaeus Mac Cathasaig I (1287 – 1310)  
Henricus (fl.1310 – c.1316)  
Gelasius alias Cornelius Ó Bánáin (c.1316 – 1319)  
Nicolaus Mac Cathasaigh (1320 – 1356)  
Brian Mac Cathmhaoil (1356 – 1358)  
Matthaeus Mac Cathasaigh II (c.1361 – )  
Aodh Ó hEóthaigh (alias Ó Neill) ( – 1369)  
Johannes Ó Corcráin (1373 – c.1389)  
Art Mac Cathmhaoil (1390 – 1432)  
Piaras Mag Uidhir (1433 – 1447)  
Rossa mac Tomáis Óig Mág Uidhir (1450 – 1483)  
Florence Woolley (1475 – 1500)  Did not get possession
Niall mac Séamuis Mac Mathghamhna (1484 – 1488) Bulls not expedited
John Edmund de Courcy (1484 – 1494)  
Séamus mac Pilib Mac Mathghamhna (1494 – 1503) Did not take effect
Andreas (1500 – )  
Nehemias Ó Cluainín (1502 – 1503)  
Giolla Pádraig Ó Condálaigh (1504 – 1504)  
Eoghan Mac Cathmhaoil (1505 – 1515)  
Pádraig Ó Cuilín (1517 – 1534)  
Hugh O’Carolan (1537 – 1569)  
Raymond MacMahon1 (1546 – 1560)  
Cornelius MacArdel1 (1560 – c.1592)  
Eugene Matthews (1609 – 1611)  
Heber MacMahon (1643 – 1650)  
Patrick Duffy (1671 – 1675)  
Patrick Tyrrell (1676 – 1689)  
Hugh MacMahon (1707 – 1715)  
Bernard MacMahon (1718 – 1737)  
Ross MacMahon (1738 – 1747)  
Daniel O’Reilly (1747 – 1778)  
Hugh O’Reilly (1778 – 1801)  
James Murphy (1801 – 1824)  
Edward Kernan (1824 – 1844)  
Charles MacNally (1844 – 1864)  
James Donnelly (1865 – 1893)  
Richard Owens (1894 – 1909)  
Patrick McKenna (1909 – 1942)  
Eugene O’Callaghan (1943 – 1969)  
Patrick Mulligan (1970 – 1979)  
Joseph Duffy (1979 – )  

 

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