| Bishops of Achonry (Roman Rite) |
 Bishop Kevin Peter Doran (71)
(2025.02.16 – ...)
Bishop of Achonry (Ireland)
Bishop of Elphin (Ireland)
Unum corpus in Christo | Born: | 1953.06.26 (Dublin, Ireland) | | Ordained Priest: | 1977.07.06 | | Consecrated Bishop: | 2014.07.13 |
| Priest of Dublin (Ireland) (1977.07.06 – 2014.05.14) Bishop of Elphin (Ireland) (2014.05.14 – ...) Apostolic Administrator of Achonry (Ireland) (2024.04.10 – 2025.02.16) Bishop of Achonry (Ireland) (2025.02.16 – ...) |
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Bishop Kevin Peter Doran (71)
(Apostolic Administrator 2024.04.10 – 2025.02.16) |
 Bishop Paul Dempsey (53)
(2020.01.27 – 2024.04.10)
Titular Bishop of Sita
Auxiliary Bishop of Dublin (Ireland)
Duc in altum | Born: | 1971.04.20 (Carlow, Ireland) | | Ordained Priest: | 1997.07.06 | | Consecrated Bishop: | 2020.08.30 |
| Priest of Kildare and Leighlin (Ireland) (1997.07.06 – 2020.01.27) Bishop of Achonry (Ireland) (2020.01.27 – 2024.04.10) Titular Bishop of Sita (2024.04.10 – ...) Auxiliary Bishop of Dublin (Ireland) (2024.04.10 – ...) |
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 Bishop Brendan Kelly (78)
(2007.11.20 – 2017.12.11)
Bishop emeritus of Galway and Kilmacduagh (Ireland)
De réir d’fhocail |
Bishop Thomas Flynn
(1976.12.30 – 2007.11.20) In nomine Domini | Born: | 1931.07.08 (Ireland) | | Ordained Priest: | 1956.06.17 | | Consecrated Bishop: | 1977.02.20 | | Died: | 2015.06.03 († 83) |
| Bishop of Achonry (Ireland) (1976.12.30 – 2007.11.20) |
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Bishop James Fergus
(1947.02.15 – 1976.03.17) | Born: | 1895.12.23 | | Ordained Priest: | 1920.06.20 | | Consecrated Bishop: | 1947.05.04 | | Died: | 1989.03.24 († 93) |
| Bishop of Achonry (Ireland) (1947.02.15 – 1976.03.17) |
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Bishop Patrick Morrisroe
(1911.05.13 – 1946.05.27) | Born: | 1869.02.15 | | Ordained Priest: | 1893.02.02 | | Consecrated Bishop: | 1911.09.03 | | Died: | 1946.05.27 († 77) |
| Bishop of Achonry (Ireland) (1911.05.13 – 1946.05.27) |
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Bishop John Lyster
(1888.02.25 – 1911.01.17) | Born: | 1850.10.05 (Ireland) | | Consecrated Bishop: | 1888.04.08 | | Died: | 1911.01.17 († 60) |
| Bishop of Achonry (Ireland) (1888.02.25 – 1911.01.17) |
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Bishop Francis McCormack (later Archbishop)
(1875.05.01 – 1887.04.27) | Born: | 1833.04.08 (Ireland) | | Ordained Priest: | 1862.06.10 | | Consecrated Bishop: | 1872.02.04 | | Died: | 1909.11.14 († 76) |
| Titular Bishop of Claudiopolis (1871.11.21 – 1875.05.01) Coadjutor Bishop of Achonry (Ireland) (1871.11.21 – 1875.05.01) Bishop of Achonry (Ireland) (1875.05.01 – 1887.04.27) Bishop of Galway and Kilmacduagh (Ireland) (1887.04.27 – 1908.10.21) Titular Archbishop of Nisibis (1909.06.21 – 1909.11.14) |
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Bishop Patrick Durcan
(1852.10.04 – 1875.05.01) | Born: | 1790.02.05 (Ireland) | | Ordained Priest: | 1820.05.27 | | Consecrated Bishop: | 1852.11.30 | | Died: | 1875.05.01 († 85) |
| Bishop of Achonry (Ireland) (1852.10.04 – 1875.05.01) |
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Bishop Patrick MacNicholas
(1818.02.23 – 1852.02.11) | Born: | 1780 (Ireland) | | Ordained Priest: | 1804 | | Consecrated Bishop: | 1818.05.17 | | Died: | 1852.02.11 († 71) |
| Bishop of Achonry (Ireland) (1818.02.23 – 1852.02.11) |
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Bishop John O’Flynn
(1809.06.30 – 1817.07.17) | Born: | (Ireland) | | Consecrated Bishop: | 1809.11.12 | | Died: | 1817.07.17 |
| Bishop of Achonry (Ireland) (1809.06.30 – 1817.07.17) |
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Bishop Charles Lynagh
(1803.05.13 – 1808.04.27) | Born: | (Ireland) | | Consecrated Bishop: | 1804.06.04 | | Died: | 1808.04.27 |
| Bishop of Achonry (Ireland) (1803.05.13 – 1808.04.27) |
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Bishop Thomas O’Connor
(1788.01.04 – 1803.02.18) | Born: | 1750 (Ireland) | | Consecrated Bishop: | 1788.04 | | Died: | 1803.02.18 († 52) |
| Bishop of Achonry (Ireland) (1788.01.04 – 1803.02.18) |
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Bishop Boetius Egan (later Archbishop)
(1785.11.22 – 1788.01.04) | Born: | 1734 (Ireland) | | Ordained Priest: | 1763.03.19 | | Consecrated Bishop: | 1786 | | Died: | 1798.01.25 († 63) |
| Bishop of Achonry (Ireland) (1785.11.22 – 1788.01.04) Metropolitan Archbishop of Tuam (Ireland) (1788.01.04 – 1798.01.25) |
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Bishop Philip Phillips (later Archbishop)
(1776.06.22 – 1785.11.22) | Born: | (Ireland) | | Ordained Priest: | 1742 | | Consecrated Bishop: | 1761 | | Died: | 1787.09.26 |
| Bishop of Killala (Ireland) (1760.11.24 – 1776.06.22) Bishop of Achonry (Ireland) (1776.06.22 – 1785.11.22) Metropolitan Archbishop of Tuam (Ireland) (1785.11.22 – 1787.09.26) |
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Bishop Patrick Robert Kirwan
(1758.08.21 – 1776.04) | Bishop of Achonry (Ireland) (1758.08.21 – 1776.04) |
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Bishop Walter Blake
(1739.08.13 – 1758) | Bishop of Achonry (Ireland) (1739.08.13 – 1758) |
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Bishop John O’Hart
(1735.09.30 – 1739.05) | Bishop of Achonry (Ireland) (1735.09.30 – 1739.05) |
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Bishop Dominic O’Daly, O.P.
(1725.09.20 – 1735.01.06) | Born: | (Ireland) | | Ordained Priest: | 1702.12.23 | | Consecrated Bishop: | 1725.11.30 | | Died: | 1735.01.06 |
| Bishop of Achonry (Ireland) (1725.09.20 – 1735.01.06) |
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Bishop Hugh MacDermot
(1683.12.21 – 1725.09) | Ordained Priest: | 1675 | | Died: | 1725.09 |
| Bishop of Achonry (Ireland) (1683.12.21 – 1725.09) |
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Bishop Louis Dillon, O.F.M. Obs.
(1641.09.16 – ?) Bishop of Achonry (Ireland) (1641.09.16 – ?) |
Bishop Eugene O’Hart, O.P.
(1562.01.28 – 1603) | Bishop of Achonry (Ireland) (1562.01.28 – 1603) |
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Bishop Cormac O’Coyn, O.P.
(1556 – 1561) | Bishop of Achonry (Ireland) (1556 – 1561) |
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Bishop Thomas O’Fihely
(1547.06.16 – 1555.08.30) | Consecrated Bishop: | 1547.10.16 | | Died: | 1567.03.31 |
| Bishop of Achonry (Ireland) (1547.06.16 – 1555.08.30) Bishop of Leighlin (Ireland) (1555.08.30 – 1567.03.31) |
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Bishop Eugenius Ó Flannagáin, O.P.
(1508.12.22 – 1522) | Bishop of Achonry (Ireland) (1508.12.22 – 1522) |
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Bishop Thomas Ford, O.E.S.A.
(1492.10.08 – 1504) | Bishop of Achonry (Ireland) (1492.10.08 – 1504) |
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Bishop Thomas fitzRichard
(? – 1492) | Bishop of Achonry (Ireland) (? – 1492) |
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Fr. John Bustamente (John de Bustamente)
(1489.09.23 – 1489 not possessed) Bishop of Achonry (Ireland) (1489.09.23 – 1489 not possessed) |
Bishop Tomás Ó Conghaláin
(1484.05.10 – 1508) | Bishop of Achonry (Ireland) (1484.05.10 – 1508) |
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Fr. Robert Wellys, O.F.M. (later Bishop)
(1473.07.14 – ? not possessed) | Consecrated Bishop: | 1475.06.04 |
| Bishop of Achonry (Ireland) (1473.07.14 – ? not possessed) |
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Bishop Nicholas Forden
(1470.04.22 – ?) Bishop of Achonry (Ireland) (1470.04.22 – ?) |
Bishop Brian Ó hEasdhra
(1463 – 1484.05) | Bishop of Achonry (Ireland) (1463 – 1484.05) |
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Bishop Cornelius Ó Mochain, O. Cist.
(1449.10.15 – ?) | Bishop of Achonry (Ireland) (1449.10.15 – ?) |
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Bishop James Blakedon, O.P.
(1442.10.15 – 1453.02.07) | Bishop of Achonry (Ireland) (1442.10.15 – 1453.02.07) Bishop of Bangor (Scotland) (1453.02.07 – 1464.10.24) |
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Bishop Tadhg Ó Dalaigh (Thaddaeus / Nicholas O’Daly), O.P.
(1436.09.03 – 1442) | Bishop of Achonry (Ireland) (1436.09.03 – 1442) |
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Bishop Richard Belmer, O.P.
(1424.04.12 – 1436) | Consecrated Bishop: | 1424.06.14 | | Died: | 1436 |
| Bishop of Achonry (Ireland) (1424.04.12 – 1436) |
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Bishop Maghnus Ó hEadhra (Magonius)
(1410.04.14 – 1434) | Bishop of Achonry (Ireland) (1410.04.14 – 1434) |
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Bishop Brian mac Seaain Ó hEadhra
(1401 – 1409) | Bishop of Achonry (Ireland) (1401 – 1409) |
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Bishop Tomás mac Muirgheasa MacDonnchadha (McDonagh)
(? – 1398) | Bishop of Achonry (Ireland) (? – 1398) |
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Bishop Johannes
(1396 – ?) Bishop of Achonry (Ireland) (1396 – ?) |
Bishop Donatus Ó hEadhra (O’Hara)
(? – 1396) | Bishop of Achonry (Ireland) (? – 1396) |
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Bishop Simon, O. Cist.
(1385 – ?) Bishop of Achonry (Ireland) (1385 – ?) |
Bishop William Andrew, O.P.
(1373.10.17 – 1380) |
Bishop Nichol alias Muircheartach Ó hEadhra, O. Cist.
(1348.10.22 – 1373) | Consecrated Bishop: | 1348.10.22 | | Died: | 1373 |
| Bishop of Achonry (Ireland) (1348.10.22 – 1373) |
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Bishop David of Kilheny
(1312 – 1344) | Bishop of Achonry (Ireland) (1312 – 1344) |
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Bishop Benedictus Ó Bracáin
(1286 – 1312.03.19) | Bishop of Achonry (Ireland) (1286 – 1312.03.19) |
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Bishop Tomás Ó Miadacháin
(1266 – 1285.11.27) | Consecrated Bishop: | 1266.12.19 | | Died: | 1285.11.27 |
| Bishop of Achonry (Ireland) (1266 – 1285.11.27) |
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Bishop Tomás Ó Maicín
(1251 – 1265) | Consecrated Bishop: | 1251 | | Died: | 1265 |
| Bishop of Achonry (Ireland) (1251 – 1265) |
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Bishop Áengus Ó Clúmain
(1238 – 1238) | Bishop of Achonry (Ireland) (1238 – 1238) |
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Bishop Tomás Ó Ruadáin
(1231 – 1237) | Bishop of Achonry (Ireland) (1231 – 1237) |
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Bishop Gilla Ísu Ó Cléirig
(1227 – 1230) | Bishop of Achonry (Ireland) (1227 – 1230) |
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Bishop Connmach Ó Torpaig
(1220 – 1227.01.16) | Bishop of Achonry (Ireland) (1220 – 1227.01.16) |
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Bishop Clemens Ua Sniadaig, O. Cist.
(1208? – 1219) | Bishop of Achonry (Ireland) (1208? – 1219) |
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Bishop Gilla na Náem Ua Ruadáin
(1179 – 1208) | Bishop of Achonry (Ireland) (1179 – 1208) |
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Bishop Máel Ruanaid Ua Ruadáin
(1152? – 1170) | Bishop of Achonry (Ireland) (1152? – 1170) |
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| Abbots nullius of Achonry (Roman Rite) |
Saint Bishop Nath Í of Achonry
(? – VI century) | Bishop-Abbot nullius of Achonry (Ireland) (? – VI century) Bishop. |
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Cathedral of the Annunciation and St Nathy, Ballaghaderreen, Roscommon, Connachta 
Church of St Crumnathy, Achonry, Sligo, Connachta 
