Pre-Reformation Bishops
- Bishops of the diocese of Cinél nEógain
| List of Bishops of the diocese of Cinél nEógain | |||
|---|---|---|---|
| From | Until | Incumbent | Notes |
| 1107 | 1122 | Máel Coluim Ua Brolcháin | |
| unknown | 1139 | Máel Brigte Ua Brolcháin | |
| unknown | 1149 | Ua Gormgaile | |
| bef.1152 | 1173 | Muiredach Ua Cobthaig | |
| unknown | 1185 | Amlaím Ua Muirethaig | |
| 1185 | 1230 | Fogartach Ua Cerballáin I | |
| c.1230 | 1254 | Gilla in Choimded Ó Cerbailláin, O.P. | |
| Sources: | |||
- Pre-Reformation Bishops of Derry
| List of pre-Reformation Bishops of Derry | |||
|---|---|---|---|
| From | Until | Incumbent | Notes |
| 1254 | 1279 | Gilla in Choimded Ó Cerbailláin, O.P. | |
| 1280 | 1293 | Fogartach Ua Cerballáin II | |
| 1293 | 1294 | (Michael) | |
| 1294 | 1297 | Énri Mac Airechtaig, O.Cist. | |
| 1297 | c.1315 | Gofraid Mac Lochlainn | |
| 1316 | 1319 | Áed Ó Néill | |
| 1319 | 1349 | Michael Mac Lochlainn, O.F.M. | |
| 1349 | aft.1380 | Simon, O.P. | |
| unknown | 1391 | Johannes | |
| 1391 | 1394 | John Dongan, O.S.B. | |
| 1394 | (Seoán Ó Mocháin) | ||
| 1398 | 1401 | Aodh | |
| 1401 | 1415 | Seoán Ó Flannabhra, O.Cist. | |
| 1415 | 1419 | (Domhnall Mac Cathmhaoil) | |
| 1419 | 1429 | Domhnall Ó Mearaich | |
| 1429 | 1433 | Eoghan Ó Domhnaill | |
| 1433 | 1458 | Johannes Oguguin | |
| 1458 | 1463 | Bartholomaeus Ó Flannagáin, O.Cist. | |
| 1464 | 1466 | Johannes | |
| 1467 | 1484 | Nicholas Weston | |
| 1485 | 1501 | Domhnall Ó Fallamhain, O.F.M. | |
| 1503 | 1519 | Séamus mac Pilib Mac Mathghamhna | |
| 1520 | 1550/51 | Ruaidhrí Ó Domhnaill | |
| 1550/51 | 1554 | See vacant | |
| 1554 | 1569 | Eugene O'Doherty | |
| Sources: | |||
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