| Bishops of Ossory (Roman Rite) |
 Bishop Niall Coll (59)
(2022.10.28 – ...)
Bishop of Ossory (Ireland)
Christus Jesus spes nostra | Born: | 1963.08.25 (Letterkenny, Ireland) | | Ordained Priest: | 1988.07.03 | | Consecrated Bishop: | 2023.01.22 |
| Bishop of Ossory (Ireland) (2022.10.28 – ...) |
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Bishop Denis Nulty (59)
(Apostolic Administrator 2021.02.02 – 2022.10.28) |
 Bishop Dermot Pius Farrell (68) (later Archbishop)
(2018.01.03 – 2020.12.29)
Metropolitan Archbishop of Dublin (Ireland)
Vice-President of Irish Episcopal Conference
Adjutorium nostrum in nomine Domini | Born: | 1954.11.22 (Castletown-Geoghegan, Ireland) | | Ordained Priest: | 1980.06.07 | | Consecrated Bishop: | 2018.03.11 |
| Bishop of Ossory (Ireland) (2018.01.03 – 2020.12.29) Metropolitan Archbishop of Dublin (Ireland) (2020.12.29 – ...) Vice-President of Irish Episcopal Conference (2022.03.09 – ...) |
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Bishop Séamus Freeman, S.A.C.
(2007.09.14 – 2016.07.29) Libertas in veritate |
Bishop Laurence Forristal
(1981.06.30 – 2007.09.14) In fide et caritate | Born: | 1931.06.05 (Ireland) | | Ordained Priest: | 1955.12.21 | | Consecrated Bishop: | 1980.01.20 | | Died: | 2018.10.10 († 87) |
| Titular Bishop of Rotdon (1979.12.03 – 1981.06.30) Auxiliary Bishop of Dublin (Ireland) (1979.12.03 – 1981.06.30) Bishop of Ossory (Ireland) (1981.06.30 – 2007.09.14) |
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Bishop Peter Birch
(1964.01.10 – 1981.03.07) | Born: | 1911.09.04 | | Ordained Priest: | 1937.06.20 | | Consecrated Bishop: | 1962.09.23 | | Died: | 1981.03.07 († 69) |
| Titular Bishop of Dibon (1962.07.24 – 1964.01.10) Coadjutor Bishop of Ossory (Ireland) (1962.07.24 – 1964.01.10) Bishop of Ossory (Ireland) (1964.01.10 – 1981.03.07) |
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Bishop Patrick Collier
(1928.10.01 – 1964.01.10) | Born: | 1880.01.12 | | Ordained Priest: | 1907.06.23 | | Consecrated Bishop: | 1928.08.05 | | Died: | 1964.01.10 († 83) |
| Titular Bishop of Himeria (1928.05.11 – 1928.10.01) Coadjutor Bishop of Ossory (Ireland) (1928.05.11 – 1928.10.01) Bishop of Ossory (Ireland) (1928.10.01 – 1964.01.10) |
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Bishop Abraham Brownrigg, S.S.S.
(1884.10.28 – 1928.10.01) | Born: | 1836.12.23 | | Died: | 1928.10.01 († 91) |
| Bishop of Ossory (Ireland) (1884.10.28 – 1928.10.01) |
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Bishop Francis Patrick Moran (later Cardinal)
(1872.08.11 – 1884.03.14) Omnia omnibus | Born: | 1830.12.16 (Leighlinbridge, Ireland) | | Ordained Priest: | 1853.03.19 | | Consecrated Bishop: | 1872.03.05 | | Created Cardinal: | 1885.07.27 | | Died: | 1911.08.16 (Manly, New South Wales, Australia † 80) |
| Titular Bishop of Olba (1871.12.22 – 1872.08.11) Coadjutor Bishop of Ossory (Ireland) (1871.12.22 – 1872.08.11) Bishop of Ossory (Ireland) (1872.08.11 – 1884.03.14) Metropolitan Archbishop of Sydney (Australia) (1884.03.14 – 1911.08.16) Cardinal-Priest of S. Susanna (1885.07.30 – 1911.08.16) |
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Bishop Edward Walsh
(1846.05.12 – 1872.08.11) | Bishop of Ossory (Ireland) (1846.05.12 – 1872.08.11) |
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Bishop William Kinsella
(1829.05.15 – 1845.12.12) | Born: | 1793 (Ireland) | | Consecrated Bishop: | 1829.07.26 | | Died: | 1845.12.12 († 52) |
| Bishop of Ossory (Ireland) (1829.05.15 – 1845.12.12) |
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Bishop Kyran Marum
(1814.10.04 – 1827.12.22) | Born: | 1770 (Ireland) | | Consecrated Bishop: | 1815.03.05 | | Died: | 1827.12.22 († 57) |
| Bishop of Ossory (Ireland) (1814.10.04 – 1827.12.22) |
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Bishop James Lanigan
(1789.07.10 – 1812.02.11) | Consecrated Bishop: | 1789.09.21 | | Died: | 1812.02.11 |
| Bishop of Ossory (Ireland) (1789.07.10 – 1812.02.11) |
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Bishop John Dunne
(1787.07.13 – 1789.03.15) | Consecrated Bishop: | 1787.09.16 | | Died: | 1789.03.15 |
| Bishop of Ossory (Ireland) (1787.07.13 – 1789.03.15) |
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Bishop John Thomas Troy, O.P. (later Archbishop)
(1776.12.16 – 1786.12.19) | Born: | 1739.05.10 (Ireland) | | Ordained Priest: | 1762 | | Consecrated Bishop: | 1777.06.08 | | Died: | 1823.05.11 († 84) |
| Bishop of Ossory (Ireland) (1776.12.16 – 1786.12.19) Metropolitan Archbishop of Dublin (Ireland) (1786.12.19 – 1823.05.11) |
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Bishop Thomas Burke (Thomas de Burgo), O.P.
(1759.01.09 – 1776.09.25) | Born: | 1709 (Ireland) | | Consecrated Bishop: | 1759.04.22 | | Died: | 1776.09.25 († 67) |
| Bishop of Ossory (Ireland) (1759.01.09 – 1776.09.25) |
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Bishop James Bernard Dunne
(1748.12.17 – 1758.04.30) | Bishop of Ossory (Ireland) (1748.12.17 – 1758.04.30) |
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Bishop Colman O’Shaughnessy, O.P.
(1736.10.05 – 1748.09.02) | Bishop of Ossory (Ireland) (1736.10.05 – 1748.09.02) |
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Bishop Patrick Shee
(1731.07.28 – 1736.06) | Bishop of Ossory (Ireland) (1731.07.28 – 1736.06) |
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Bishop Malachy Dulany
(1713.09.20 – 1731.05) | Consecrated Bishop: | 1714.02.17 | | Died: | 1731.05 |
| Bishop of Ossory (Ireland) (1713.09.20 – 1731.05) |
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Bishop William Daton (William Dalton)
(1696.02.20 – 1712.01.26) | Bishop of Ossory (Ireland) (1696.02.20 – 1712.01.26) |
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Bishop James Phelan
(1669.01.11 – 1695.01) | Consecrated Bishop: | 1669.08.01 | | Died: | 1695.01 |
| Bishop of Ossory (Ireland) (1669.01.11 – 1695.01) |
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Bishop David Rothe
(1618.10.01 – 1650.04.20) | Born: | 1573 | | Consecrated Bishop: | 1620 | | Died: | 1650.04.20 († 77) |
| Bishop of Ossory (Ireland) (1618.10.01 – 1650.04.20) |
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Bishop Thomas Strong
(1582.03.28 – 1602.01.20) |
Bishop Patrick Foxe
(1417.12.15 – 1421.04.20) | Bishop of Cork (Ireland) (1409.10.14 – 1417.12.15▼) Bishop of Ossory (Ireland) (1417.12.15 – 1421.04.20) |
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Bishop Thomas Snell
(1407.03.11 – 1417.10.16) |
Bishop John Waltham, O.E.S.A.
(1402.10.11 – 1405.11.05) |
Bishop Roger Appleby, O.F.M.
(1400.09.26 – 1402.10.11) |
Bishop John Griffin
(1399.07.02 – 1400.03) |
Bishop John Waltham, O.E.S.A.
(1398.02.01 – 1400.05.14) |
Bishop Thomas Peverel
(1395.11.03 – 1398.07.02) |
Bishop Richard Northalis, O. Carm. (later Archbishop)
(1386 – 1395.10.25) | Consecrated Bishop: | 1387.12.04 |
| Bishop of Ossory (Ireland) (1386 – 1395.10.25) Metropolitan Archbishop of Dublin (Ireland) (1395.10.25 – 1397) |
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Bishop Alexander Petit de Balscot (Alexander de Balscot)
(1371.02.09 – 1386.03.10) | Bishop of Ossory (Ireland) (1371.02.09 – 1386.03.10) Bishop of Meath (Ireland) (1386.03.10 – 1400.11.10) |
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Bishop John of Oxford, O.E.S.A.
(? – 1370) | Bishop of Ossory (Ireland) (? – 1370) |
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Bishop William
(1366 – ?) Bishop of Ossory (Ireland) (1366 – ?) |
Bishop John de Tatenhale, O.P.
(1361.11.08 – 1364) | Consecrated Bishop: | 1361 | | Died: | 1364 |
| Bishop of Ossory (Ireland) (1361.11.08 – 1364) |
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Bishop Richard Ledred, O.F.M.
(1317.04.24 – 1361) | Consecrated Bishop: | 1317.05 | | Died: | 1361 |
| Bishop of Ossory (Ireland) (1317.04.24 – 1361) |
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Bishop William FitzJohn (later Archbishop)
(1302.09.10 – 1317.03.26) | Bishop of Ossory (Ireland) (1302.09.10 – 1317.03.26) Metropolitan Archbishop of Cashel (Ireland) (1317.03.26 – 1326.09.15) |
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Bishop Michael d’Exeter
(1289.09.28 – 1302.07.12) | Bishop of Ossory (Ireland) (1289.09.28 – 1302.07.12) |
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Bishop Roger of Wexford
(1287 – 1289.06.28) | Consecrated Bishop: | 1287.11.03 | | Died: | 1289.06.28 |
| Bishop of Ossory (Ireland) (1287 – 1289.06.28) |
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Bishop Geoffrey St Leger
(1260 – 1287.01.10) | Bishop of Ossory (Ireland) (1260 – 1287.01.10) |
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Bishop Hugh de Malpilton
(1251 – 1260) | Bishop of Ossory (Ireland) (1251 – 1260) |
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Bishop Geoffrey de Turville
(1244 – 1250) | Bishop of Ossory (Ireland) (1244 – 1250) |
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Bishop Walter de Brackley
(1232 – 1243) | Bishop of Ossory (Ireland) (1232 – 1243) |
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Bishop William of Kilkenny
(1231 – 1232) Bishop of Ossory (Ireland) (1231 – 1232) |
Bishop Peter Mauveisin
(1218 – 1231) | Bishop of Ossory (Ireland) (1218 – 1231) |
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Bishop Hugo de Rous (Hugo Rufus)
(1202 – 1218) | Bishop of Ossory (Ireland) (1202 – 1218) |
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Bishop Felix Ua Duib Sláin, O. Cist.
(1180 – 1202.01.24) | Bishop of Ossory (Ireland) (1180 – 1202.01.24) |
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Bishop Domnall Ua Fogartaig
(1152? – 1178) | Bishop of Ossory (Ireland) (1152? – 1178) |
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| Abbots nullius of Seir Kieran (Roman Rite) |
Saint Bishop Ciarán of Ossory
(538 – 540?) | Bishop-Abbot nullius of Seir Kieran (Ireland) (538 – 540?) Bishop. |
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Cathedral of St Mary of the Assumption, Kilkenny, Kilkenny, Leinster 
Cathedral of St Canice, Kilkenny, Kilkenny, Leinster 
