Diocese of London, Canada 🇨🇦

Continent: North America

Rite: Roman (Latin)

Type: Diocese Diocese

Name: London (English) / Londonen(sis) (Latin)

Ecclesiastical Province: Toronto

Neighbouring Dioceses: Detroit (←), Hamilton (↗), Saint Catharines (→)

Depends on: Dicastery for Bishops

Websites:

Celebrations

Patron Saint: Immaculate Conception (December 8), Saint Patrick (March 17)

Cathedral Dedication Anniversary: June 28 (1885)

Liturgical Calendar 📅

History

1855.02.21: Established as Diocese of London (English) / Londonen(sis) (Latin) (from Diocese of Toronto and became suffragan of Québec)
1859.02.02: Renamed as Diocese of Sandwich (English) / Sandvicen(sis) (Latin)
1869.11.15: Renamed as Diocese of London (English) / Londonen(sis) (Latin)
1870.03.18: Became suffragan of Toronto

Contact Info

Address: 1070 Waterloo Street, London, ON N6A 3Y2, Canada

Phone: +1 (519) 433-0658

Present Prelates

Bishop (2026.04.21 – ...):

Bishop Daniel Joseph Miehm (65)

Apostolic Administrator of Peterborough (Canada)

Monsignors (6)

Ordinaries

Bishops of London (Roman Rite)

Bishop Daniel Joseph Miehm (65)
(2026.04.21 – ...)

Bishop of London (Canada)
Apostolic Administrator of Peterborough (Canada)

Fides per caritatem

Born:	1960.08.27 (Kitchener, ON, Canada)
Ordained Priest:	1989.05.06
Consecrated Bishop:	2013.05.07

Priest of Hamilton (Canada) (1989.05.06 – 2013.02.20)

Titular Bishop of Gor (2013.02.20 – 2017.03.10)

Auxiliary Bishop of Hamilton (Canada) (2013.02.20 – 2017.03.10)

Bishop of Peterborough (Canada) (2017.03.10 – 2026.04.21)

Bishop of London (Canada) (2026.04.21 – ...)

Apostolic Administrator of Peterborough (Canada) (2026.07.02 – ...)

Bishop Ronald Peter Fabbro, C.S.B. (75)
(2002.04.27 – 2026.04.21)

Bishop emeritus of London (Canada)

Secundum verbum tuum doce me

Born:	1950.11.06 (Sudbury, ON, Canada)
Ordained Priest:	1980.05.03
Consecrated Bishop:	2002.08.15

Superior General of Congregation of Saint Basil (Basilians) (1997 – 2002.04.27)

Bishop of London (Canada) (2002.04.27 – 2026.04.21)

Bishop John Michael Sherlock
(1978.07.07 – 2002.04.27)

Omnia et in omnibus Christus

Born:	1926.01.20 (Regina, SK, Canada)
Ordained Priest:	1950.06.03
Consecrated Bishop:	1974.08.28
Died:	2019.08.12 (London, ON, Canada † 93)

Priest of Hamilton (Canada) (1950.06.03 – 1974.06.25)

Titular Bishop of Macriana in Mauretania (1974.06.25 – 1978.07.07)

Auxiliary Bishop of London (Canada) (1974.06.25 – 1978.07.07)

Bishop of London (Canada) (1978.07.07 – 2002.04.27)

President of Canadian Conference of Catholic Bishops (1983 – 1985)

Bishop Gerald Emmett Carter (later Cardinal)
(1964.02.17 – 1978.04.27)

Pax et lux

Born:	1912.03.01 (Montréal, QC, Canada)
Ordained Priest:	1937.05.22
Consecrated Bishop:	1962.02.02
Created Cardinal:	1979.06.30
Died:	2003.04.06 (Toronto, ON, Canada † 91)

Priest of Montréal (Canada) (1937.05.22 – 1961.12.01)

Titular Bishop of Altiburus (1961.12.01 – 1964.02.17)

Auxiliary Bishop of London (Canada) (1961.12.01 – 1964.02.17)

Bishop of London (Canada) (1964.02.17 – 1978.04.27)

President of Canadian Conference of Catholic Bishops (1975 – 1977)

Metropolitan Archbishop of Toronto (Canada) (1978.04.27 – 1990.03.17)

Cardinal-Priest of S. Maria in Traspontina (1979.06.30 – 2003.04.06)

Bishop John Christopher Cody
(1950.06.02 – 1963.12.05)

Victoria per Mariam

Born:	1899.12.16 (Ottawa, ON, Canada)
Ordained Priest:	1923.05.26
Consecrated Bishop:	1937.02.25
Died:	1963.12.05 (London, ON, Canada † 63)

Priest of Ottawa (Canada) (1923.05.26 – 1936.12.09)

Bishop of Victoria (Canada) (1936.12.09 – 1946.04.06)

Titular Bishop of Elatea (1946.04.06 – 1950.06.02)

Coadjutor Bishop of London (Canada) (1946.04.06 – 1950.06.02)

Bishop of London (Canada) (1950.06.02 – 1963.12.05)

Bishop John Thomas Kidd
(1931.07.03 – 1950.06.02)

Deus caritas est

Born:	1868.08.28 (Athlone, AB, Canada)
Ordained Priest:	1902.02.16
Consecrated Bishop:	1925.05.06
Died:	1950.06.02 († 81)

Bishop of Calgary (Canada) (1925.02.06 – 1931.07.03)

Bishop of London (Canada) (1931.07.03 – 1950.06.02)

Bishop Michael Francis Fallon, O.M.I.
(1909.12.14 – 1931.02.22)

Justitia et pax

Born:	1867.05.17 (Kingston, ON, Canada)
Ordained Priest:	1894.07.29
Consecrated Bishop:	1910.04.25
Died:	1931.02.22 (London, ON, Canada † 63)

Bishop of London (Canada) (1909.12.14 – 1931.02.22)

Bishop Fergus Patrick McEvay (later Archbishop)
(1899.05.27 – 1908.04.13)

In cruce salus

Born:	1852.12.08 (Lindsay, ON, Canada)
Ordained Priest:	1882.07.09
Consecrated Bishop:	1899.08.06
Died:	1911.05.10 (Toronto, ON, Canada † 58)

Priest of Kingston (Canada) (1882.07.09 – 1899.05.27)

Bishop of London (Canada) (1899.05.27 – 1908.04.13)

Metropolitan Archbishop of Toronto (Canada) (1908.04.13 – 1911.05.10)

Bishop Dennis O’Connor, C.S.B. (later Archbishop)
(1890.07.18 – 1899.01.07)

Sine labe concepta

Born:	1841.03.28 (Pickering, ON, Canada)
Ordained Priest:	1863.12.08
Consecrated Bishop:	1890.10.19
Died:	1911.06.30 (Toronto, ON, Canada † 70)

Bishop of London (Canada) (1890.07.18 – 1899.01.07)

Metropolitan Archbishop of Toronto (Canada) (1899.01.07 – 1908.04.13)

Titular Archbishop of Laodicea (1908.05.04 – 1911.06.30)

Bishop John Walsh (later Archbishop)
(1869.10.03 – 1889.07.25)

Born:	1830.05.24 (Mooncoin, Ireland)
Ordained Priest:	1854.11.01
Consecrated Bishop:	1867.11.10
Died:	1898.07.30 (Toronto, ON, Canada † 68)

Priest of Toronto (Canada) (1854.11.01 – 1867.06.04)

Bishop of Sandwich (Canada) (1867.06.04 – 1869.10.03)

Bishop of London (Canada) (1869.10.03 – 1889.07.25)

Metropolitan Archbishop of Toronto (Canada) (1889.07.25 – 1898.07.30)

Bishops of Sandwich (Roman Rite)

Bishop John Walsh (later Archbishop)
(1867.06.04 – 1869.10.03)

(see above)

Bishop Pierre-Adophe Pinsoneault
(1859.02.02 – 1866.10.04)

In verbo tuo laxabo rete

Born:	1815.11.23 (Saint-Philippe-de-Laprairie, QC, Canada)
Ordained Priest:	1840.12.19
Consecrated Bishop:	1856.05.18
Died:	1883.01.30 (Montréal, QC, Canada † 67)

Bishop of London (Canada) (1856.02.29 – 1859.02.02)

Bishop of Sandwich (Canada) (1859.02.02 – 1866.10.04)

Titular Bishop of Birtha (1868.12.04 – 1883.01.30)

Bishops of London (Roman Rite)

Bishop Pierre-Adophe Pinsoneault
(1856.02.29 – 1859.02.02)

(see above)

Former Prelates

Coadjutor Bishop: Bishop John Christopher Cody (1946.04.06 – 1950.06.02)
Auxiliary Bishop: Bishop Józef Andrzej Dąbrowski, C.S.M.A. (62) (2015.01.31 – 2023.04.02)
Auxiliary Bishop: Bishop Robert Anthony Daniels (69) (2004.09.21 – 2011.03.01)
Auxiliary Bishop: Bishop Richard John Grecco (80) (1997.12.05 – 2002.04.27)
Auxiliary Bishop: Bishop Frederick Bernard Henry (1986.04.18 – 1995.03.24)
Auxiliary Bishop: Bishop Marcel André Joseph Gervais (later Archbishop) (1980.04.19 – 1985.05.03)
Auxiliary Bishop: Bishop John Michael Sherlock (1974.06.25 – 1978.07.07)
Auxiliary Bishop: Bishop Gerald Emmett Carter (later Cardinal) (1961.12.01 – 1964.02.17)

Special Churches

Cathedral, Minor Basilica: St. Peter’s Cathedral Basilica, London, Ontario
Former Cathedral: Church of Our Lady of the Assumption, Windsor, Ontario
Jubilee Churches in the Extraordinary Jubilee of Mercy (2016)
Jubilee Churches in the Holy Year 2025

Churches by City (133)

Detroit (←), Hamilton (↗), Saint Catharines (→)

Statistics (2022.12.31)

Area: 21,349 km²

Population: 897,500 Catholics (38.3% of 2,345,700 total)

Pastoral Centres: 104 parishes

Personnel: 180 priests (128 diocesan, 52 religious), 82 deacons, 530 religious (57 brothers, 473 sisters), 12 seminarians