Diocese of Derry

Past and Present Ordinaries

• Florence O’Cervallen † ( 1185 Appointed - 1230 Died)
• Germanus (Gervase) O’Cervallen † ( 1230 Appointed - 1279 Died)
• Florence O’Cervallen † ( 1279 Appointed - Jul 1293 Died)
• Henry O’Reghly, O. Cist. † ( 1295 Appointed - 1297 Died)
• Geoffrey MacLoughlin † ( 1297 Appointed - 1315 Died)
• Hugh O’Neill † ( 1316 Appointed - Jun 1319 Died)
• Michel MacLochlainn † ( 1319 Appointed - 1330 Died)
• Simon de Rossoman, O.P. † (18 Dec 1349 Appointed - 1369 Died)
• John Donegan, O.S.B. † (4 Jul 1391 Appointed - 16 Sep 1394 Appointed, Bishop of Down)
• John O’Machan † (16 Sep 1394 Appointed - )
• Hugh † (15 Mar 1398 Appointed - )
• John , O. Cist. † (27 Aug 1401 Appointed - )
• Donald Machuil † (20 Feb 1415 Appointed - 1419 Died)
• Donald O’Meirach † (16 Oct 1419 Appointed - 9 Dec 1429 Appointed, Bishop of Connor)
• Eugene O’Dhombuail † (9 Dec 1429 Appointed - )
• John Ogugun † (18 Sep 1433 Appointed - 1456 Died)
• Bartholomew O’Flanagan, O. Cist. † (27 May 1457 Appointed - 1463 Died)
• John † ( 1464 Appointed - 1466 Died)
• Nicholas Weston † (21 Feb 1466 Appointed - Dec 1484 Died)
• Donald O’Fallon, O.F.M. Obs. † (16 May 1485 Appointed - 5 Jul 1501 Died)
• Seamus MacMahon † (26 Nov 1503 Appointed - 5 Jul 1517 Died)
• Rory O’Donnell † (11 Jan 1520 Appointed - 8 Oct 1551 Died)
• Eugene O’Doherty (O’Dochartaid), O.S.A. † (25 Jun 1554 Appointed - 1568 Died)
• Raymond O’Gallagher † (22 Jun 1569 Appointed - 15 Mar 1601 Died)
• Eugene Conwell † (30 Jun 1671 Appointed - 1673 Died)
• Bernard O’Cahan † (Jan 1684 Appointed - 1711 Died)
• Fergus Laurence Lea † (8 Feb 1694 Confirmed - 19 Jan 1697 Died)
• Terence O’Donnelly † (5 Jan 1720 Confirmed - 1726 Died)
• Neal (Nelano) Conway † (7 Apr 1727 Confirmed - 6 Jan 1738 Died)
• Michael O’Reilly † (24 Apr 1739 Confirmed - 23 Jan 1749 Confirmed, Archbishop of Armagh)
• John Brullaughan (Ó Brolcháin) † (7 May 1749 Confirmed - 10 Jun 1750 Resigned)
• Patrick Bradley (Brullaughan (Ó Brolcháin)), O.P. † (29 Jan 1751 Confirmed - 20 Dec 1751 Resigned)
• John MacColgan † (4 May 1752 Confirmed - 21 Dec 1765 Died)
• Philip MacDevitt † (14 Jan 1766 Confirmed - 24 Nov 1797 Died)
• Charles O’Donnell † (24 Nov 1797 Succeeded - 18 Jul 1823 Died)
• Peter McLaughlin † (11 May 1824 Appointed - 18 Aug 1840 Died)
• John McLaughlin † (18 Aug 1840 Succeeded - 18 Jun 1864 Died)
• Francis Kelly † (18 Jun 1864 Succeeded - 1 Sep 1889 Died)
• John Keys O’Doherty † (28 Dec 1889 Appointed - 25 Feb 1907 Died)
• Charles McHugh † (1 Jul 1907 Appointed - 12 Feb 1926 Died)
• Bernard O’Kane † (21 Jun 1926 Appointed - 5 Jan 1939 Died)
• Neil Farren † (5 Aug 1939 Appointed - 13 Apr 1973 Retired)
• Edward Kevin Daly † (31 Jan 1974 Appointed - 26 Oct 1993 Resigned)
• Séamus Hegarty † (1 Oct 1994 Appointed - 23 Nov 2011 Resigned)
• Donal McKeown (25 Feb 2014 Appointed - )

Historical Summary

Statistics

Year	Catholics	Total Population	Percent Catholic	Diocesan Priests	Religious Priests	Total Priests	Catholics Per Priest	Permanent Deacons	Male Religious	Female Religious	Parishes	Source
1950	126,500	217,000	58.3%	144		144	878		14	243	39	ap1951
1970	142,159	223,795	63.5%	149		149	954		17	230	39	ap1971
1980	171,450	239,636	71.5%	148		148	1,158		13	213	51	ap1981
1990	196,122	285,524	68.7%	147	5	152	1,290		9	181	52	ap1991
1999	228,525	304,700	75.0%	144	5	149	1,533		9	157	53	ap2000
2000	227,637	291,589	78.1%	137	6	143	1,591		10	147	53	ap2001
2001	236,732	306,000	77.4%	133	6	139	1,703		10	123	53	ap2002
2002	228,288	300,629	75.9%	128	5	133	1,716		9	120	53	ap2003
2003	227,904	304,102	74.9%	126	5	131	1,739		8	109	53	ap2004
2004	232,136	302,653	76.7%	126	5	131	1,772		9	114	53	ap2005
2006	236,548	322,219	73.4%	122	5	127	1,862		9	109	53	ap2007
2013	243,229	316,916	76.7%	103	8	111	2,191		14	85	50	ap2014
2016	248,607	321,911	77.2%	102	7	109	2,280		12	73	51	ap2017
2019	252,347	336,741	74.9%	97	7	104	2,426		8	67	51	ap2020
2021	259,689	328,854	79.0%	99	7	106	2,449		8	64	51	ap2022
2023	261,747	328,545	79.7%	93	7	100	2,617		9	61	51	ap2024

Note: Any changes in boundaries over time are not indicated in the above table.

Affiliated Bishops, Living

• John Francis Brown, S.M.A.
• Eamon Martin (Priest: 28 Jun 1987 to 18 Jan 2013)
• Donal McKeown (Bishop: 25 Feb 2014 - )

  ---

Affiliated Bishops, Deceased

• Patrick Bradley (Brullaughan (Ó Brolcháin)), O.P. † (Bishop: 29 Jan 1751 to 20 Dec 1751)
• John Brullaughan (Ó Brolcháin) † (Bishop: 7 May 1749 to 10 Jun 1750)
• Neal (Nelano) Conway † (Bishop: 7 Apr 1727 to 6 Jan 1738)
• Eugene Conwell † (Vicar Apostolic: 30 Jun 1671 to 1673)
• Edward Kevin Daly † (Bishop: 31 Jan 1974 to 26 Oct 1993)
• John Donegan, O.S.B. † (Bishop: 4 Jul 1391 to 16 Sep 1394)
• Neil Farren † (Priest: 28 Apr 1918; Bishop: 5 Aug 1939 to 13 Apr 1973)
• John Gallagher †
• Séamus Hegarty † (Bishop: 1 Oct 1994 to 23 Nov 2011)
• Francis Kelly † (Coadjutor Bishop: 3 Aug 1849; Bishop: 18 Jun 1864 to 1 Sep 1889)
• Francis Lagan † (Priest: 19 Jun 1960; Auxiliary Bishop: 4 Feb 1988 to 6 May 2010)
• Fergus Laurence Lea † (Bishop: 8 Feb 1694 to 19 Jan 1697)
• John MacColgan † (Bishop: 4 May 1752 to 21 Dec 1765)
• Philip MacDevitt † (Bishop: 14 Jan 1766 to 24 Nov 1797)
• Donald Machuil † (Bishop: 20 Feb 1415 to 1419)
• Michel MacLochlainn † (Bishop: 1319 to 1330)
• Geoffrey MacLoughlin † (Bishop: 1297 to 1315)
• Seamus MacMahon † (Bishop: 26 Nov 1503 to 5 Jul 1517)
• Edward Maginn † (Coadjutor Bishop: 30 Sep 1845 to 17 Jan 1849)
• Anthony Columba McFeely † (Priest: 10 Jul 1932 to 14 May 1965)
• James Joseph McGuinness †
• Charles McHugh † (Bishop: 1 Jul 1907 to 12 Feb 1926)
• John McLaughlin † (Coadjutor Bishop: 21 Feb 1837; Bishop: 18 Aug 1840 to 18 Jun 1864)
• Peter McLaughlin † (Apostolic Administrator: 12 Jan 1819; Bishop: 11 May 1824 to 18 Aug 1840)
• Tobias Mullen †
• Bernard O’Cahan † (Vicar Apostolic: Jan 1684 to 1711)
• Florence O’Cervallen † (Bishop: 1185 to 1230)
• Florence O’Cervallen † (Bishop: 1279 to Jul 1293)
• Germanus (Gervase) O’Cervallen † (Bishop: 1230 to 1279)
• Eugene O’Dhombuail † (Bishop: 9 Dec 1429)
• Eugene O’Doherty (O’Dochartaid), O.S.A. † (Bishop: 25 Jun 1554 to 1568)
• John Keys O’Doherty † (Bishop: 28 Dec 1889 to 25 Feb 1907)
• Charles O’Donnell † (Coadjutor Bishop: 9 Feb 1797; Bishop: 24 Nov 1797 to 18 Jul 1823)
• Rory O’Donnell † (Bishop: 11 Jan 1520 to 8 Oct 1551)
• Terence O’Donnelly † (Bishop: 5 Jan 1720 to 1726)
• Donald O’Fallon, O.F.M. Obs. † (Bishop: 16 May 1485 to 5 Jul 1501)
• Bartholomew O’Flanagan, O. Cist. † (Bishop: 27 May 1457 to 1463)
• Raymond O’Gallagher † (Bishop: 22 Jun 1569 to 15 Mar 1601)
• John Ogugun † (Bishop: 18 Sep 1433 to 1456)
• Bernard O’Kane † (Priest: 18 May 1891; Bishop: 21 Jun 1926 to 5 Jan 1939)
• John O’Machan † (Bishop: 16 Sep 1394)
• Donald O’Meirach † (Bishop: 16 Oct 1419 to 9 Dec 1429)
• Hugh O’Neill † (Bishop: 1316 to Jun 1319)
• Henry O’Reghly, O. Cist. † (Bishop: 1295 to 1297)
• Michael O’Reilly † (Bishop: 24 Apr 1739 to 23 Jan 1749)
• Kevin Lawrence Rafferty †
• Simon de Rossoman, O.P. † (Bishop: 18 Dec 1349 to 1369)
• Nicholas Weston † (Bishop: 21 Feb 1466 to Dec 1484)
• Hugh † (Bishop: 15 Mar 1398)
• John † (Bishop: 1464 to 1466)
• John , O. Cist. † (Bishop: 27 Aug 1401)

Source(s)

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