List of churches in the Roman Catholic Diocese of London, Ontario explained

This is a list of current and former Roman Catholic churches in the Roman Catholic Diocese of London, Ontario. The diocese includes 115 churches in Southwestern Ontario divided into six administrative regions called deaneries.^{[1] [2]} The cathedral church of the diocese is St. Peter's Cathedral Basilica in London, Ontario.

Huron Perth Deanery

Name	Exterior & Interior Image	Location	Description/Notes
St. Ambrose		17 Flora St., Brussels	Mission of Sacred Heart, Wingham. First church built in 1876, second church built in 1993.^[3]
St. Patrick		81 Mill St, Dublin	Member of the Perth Huron Crossroads Catholic Family of Parishes.
Precious Blood		200 Sanders St West, Exeter	Member of the Lake Huron Catholic Family of Parishes.
St. Peter		156 North St, Goderich	Member of the Lake Huron Catholic Family of Parishes.
Immaculate Heart of Mary		337 Ontario St, Grand Bend	Member of the Lake Huron Catholic Family of Parishes.
St. Patrick		4597 Road 145, R.R. 1, Kinkora	Member of the Perth Huron Crossroads Catholic Family of Parishes. The church was designed by Joseph Connolly.^[4]
St. Joseph		1025 Wallace Ave North, Listowel	Clustered with Sacred Heart
St. Vincent de Paul		29 Park Lane, Mitchell	Member of the Perth Huron Crossroads Catholic Family of Parishes.
Our Lady of Mount Carmel		Mount Carmel	Member of the Lake Huron Catholic Family of Parishes.
St. James		22 Victoria St, Seaforth	Member of the Perth Huron Crossroads Catholic Family of Parishes.
St. Peter		St. Joseph	Member of the Lake Huron Catholic Family of Parishes.
Holy Name of Mary		St. Marys	Member of the Avon-Thames Catholic Family of Parishes.
Immaculate Conception		50 Well St, Stratford	Member of the Avon-Thames Catholic Family of Parishes.
St. Joseph		99 Huron St, Stratford	Member of the Avon-Thames Catholic Family of Parishes.
Sacred Heart		220 Carling Terrace, Wingham	Clustered with St. Joseph
St. Boniface		22 Mary St, Zurich	Member of the Lake Huron Catholic Family of Parishes.

Ingersoll Deanery

Name	Exterior & Interior Image	Location	Description/Notes
Our Lady, Queen of the Martyrs		110 Adams Ave, Delhi	Member of the Catholic Family of Parishes in Norfolk Formerly called St. John de Brebeuf and Companions Church 1956-2007^[5]
Sacred Heart		131 Thames St North, Ingersoll
Sacred Heart		24 Albert St, Langton	Member of the Erie Tri-County Catholic Family of Parishes.
St. Cecilia		17 Lynn Park Ave, Port Dover	Member of the Catholic Family of Parishes in Norfolk
St. Mary		211 Union St, Simcoe	Member of the Catholic Family of Parishes in Norfolk
St. Mary		51 Venison St West, Tilsonburg	Member of the Erie Tri-County Catholic Family of Parishes.
St. Michael		978 John's Rd, Walsh	Member of the Erie Tri-County Catholic Family of Parishes.
St. Bernard of Clairvaux		165 Thompson Rd, Waterford	Member of the Catholic Family of Parishes in Norfolk
Holy Cross Polish Catholic Community		169 Ingersoll Rd, Woodstock
Holy Trinity		1420 Devonshire Ave, Woodstock

Kent Deanery

Name	Exterior & Interior Image	Location	Description/Notes
St. Mary		95 Marlborough St North, Blenheim	Member of the South Kent Catholic Family of Parishes in Essex
Blessed Sacrament		145 Victoria Ave, Chatham	Member of the Chatham Catholic Family of Parishes
Our Lady of Victory Polish Catholic Community		490 St. Clair St, Chatham	Member of the Chatham Catholic Family of Parishes
St. Agnes		52 Croydon St, Chatham	Member of the Chatham Catholic Family of Parishes
St. Joseph		180 Wellington St West, Chatham	Member of the Chatham Catholic Family of Parishes
St. Ursula	178px	205 Tweedsmuir Ave West, Chatham	Member of the Chatham Catholic Family of Parishes
St. Michael		698 Tecumseh St, Dresden	Member of the Kent Lambton Roman Catholic Family of Parishes
Paroisse Immaculée Conception & Saint-Philippe Parish		24152 Winterline Rd, Pain Court	Member of the Lakes Erie and St. Clair Catholic Family of Parishes/Famille catholique des paroisses des lacs Érié et Ste-Claire.
Sacred Heart		464 John St, Port Lambton	Member of the Kent Lambton Roman Catholic Family of Parishes
St. Michael		26 George St, Ridgetown	Member of the South Kent Catholic Family of Parishes in Essex
St. Paul		9 Alice St, Thamesville	Member of the South Kent Catholic Family of Parishes in Essex
St. Francis Xavier		32 Canal St West, Tilbury	Member of the Lakes Erie and St. Clair Catholic Family of Parishes/Famille catholique des paroisses des lacs Érié et Ste-Claire.
St. Peter		5425 Tecumseh Line, Tilbury	Member of the Lakes Erie and St. Clair Catholic Family of Parishes/Famille catholique des paroisses des lacs Érié et Ste-Claire.
Holy Family		647 Murray St, Wallaceburg	Member of the Kent Lambton Roman Catholic Family of Parishes
Our Lady Help of Christians		422 Elgin St, Wallaceburg	Member of the Kent Lambton Roman Catholic Family of Parishes

London Deanery

Name	Exterior & Interior Image	Location	Description/Notes
Our Lady of Sorrows		116 John St South, Aylmer	Member of the Elgin Roman Catholic Family of Parishes.
Sacred Heart		Delaware	Church building closed in 2018.^[6] Worships in Mount Brydges Member of the West Middlesex Catholic Family of Parishes.
St. Charles Garnier		244 Stella Ave, Glencoe	Member of the West Middlesex Catholic Family of Parishes.
Christ the King University		266 Epworth Ave, London	Worships at 'The Chapel’ at Windermere on the Mount in London.
Communaute Catholique Ste-Marguerite d'Youville		920 Huron St, London	Worships at St. Andrew The Apostle Church, London.
Holy Cross		10 Elm St, London
Holy Family		777 Valetta St, London
Mary Immaculate		1980 Trafalgar St, London
Our Lady of Czestochowa		419 Hill St, London
Our Lady of the Holy Rosary Vietnamese Catholic Community		London	Worships at St. Andrew The Apostle Church, London.
Our Lady of Siluva Lithuanian Catholic Community		London	Worships at Mary Immaculate Church, London.
St. Andrew the Apostle		1 Fallons Lane, London
St. Andrew Kim Korean Catholic Community		258 Clarke Rd, London
St. Francis of Assisi-St. Martin of Tours		46 Cathcart St, London
St. George		1164 Commissioners Rd West, London
St. John the Divine		390 Base Line Rd West, London
St. Josephine Bakhita African-Caribbean Catholic Community		London	Worships at St. Michael Church, London.
St. Justin		855 Jalna Blvd, London
St. Leopold Mandic		2889 Westminster Dr, London
St. Mary		345 Lyle St, London
St. Michael		511 Cheapside St, London
St. Patrick		377 Oakland Ave, London	Designed by Barry Byrne,and built in 1952. ^[7]
St. Peter's Cathedral Basilica		196 Dufferin Ave, London	Parish established 1834; French French Gothic Revival style built 1880-1885^[8]
St. Stephen of Hungary Hungarian Catholic Community		Worships at St. Patrick, London.
St. Patrick		R.R. 3, 32922 Richmond St, Lucan
Sacred Heart		159 Ann St, Parkhill	Member of the West Middlesex Catholic Family of Parishes.
Holy Angels		502 Talbot St, St. Thomas	Member of the Elgin Roman Catholic Family of Parishes.
St Anne		20 Morrison Dr, St. Thomas	Member of the Elgin Roman Catholic Family of Parishes.
Tridentine Latin Mass Community		Worships at Holy Angels Church, St. Thomas.
All Saints		125 Front St East, Strathroy	Member of the West Middlesex Catholic Family of Parishes.
St. Helen		29519 Talbot Line, Wallacetown	Member of the Elgin Roman Catholic Family of Parishes.
St. Mary		128 Main St, West Lorne	Member of the Elgin Roman Catholic Family of Parishes.

Sarnia Deanery

Name	Image	Location	Description/Notes
St. Michael		1920 Wildwood Dr, Brights Grove	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
St. Joseph		346 1 Beresford St, Corunna
St. Christopher		68 Union St, Forest	First church built 1866; second church built 1893; new church built in 2002^[9]
St. Philip		415 King St, Petrolia	^[10]
Our Lady of Mercy		390 N Christina St, Sarnia	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
Paroisse St-Thomas D'Aquin		895 Rue Champlain, Sarnia	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
Queen of Peace		566 Rosedale Ave, Sarnia	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
Sacred Heart		1465 Lecaron Ave, Sarnia	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
St. Benedict		1011 Oak Ave, Sarnia	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
St. Joseph		291 Stuart St, Sarnia	Member of the Sarnia Bluewater Roman Catholic Family of Parishes.
Our Lady Help of Christian		432 Victoria St, Watford

Windsor-Essex Deanery

Name	Exterior & Interior Image	Location	Description/Notes
St. John the Baptist		225 Brock St, Amherstburg	Parish established 1800^[11] Member of the Amherstburg-Harrow Catholic Family of Parishes
St. Simon and St. Jude		488 St. Charles St, Belle River	Parish date to 1834; church built 1868-1869^[12]
Visitation		5407 Comber Side Rd, Comber	^[13]
Holy Name of Jesus		146 Talbot St South, Essex	Member of the Central Essex County Catholic Family of Parishes.^[14]
St. Anthony of Padua		120 Munger St West, Harrow	Member of the Amherstburg-Harrow Catholic Family of Parishes.^[15]
St. John de Bebeuf and Companions		67 Main St East, Kingsville	Member of the Erie Shores South Catholic Family of Parishes.
Good Shepherd		Lakeshore	Combined parish formed from merger of St. William & St. Gregory the Great, both of which were created in the 1950s^[16]
Sacred Heart		219 Sacred Heart Dr, LaSalle	Parish established 1921, church opened 1923. Member of the LaSalle River Canard Catholic Family of Parishes.^[17]
St. Paul		5885 Malden Rd, LaSalle	Church dedicated 1953 Member of the LaSalle River Canard Catholic Family of Parishes.^[18]
St. Michael		29 Elliott St, Leamington	Member of the Erie Shores South Catholic Family of Parishes.^[19]
St. Mary		12048 County Rd 34, Maidstone	Member of the Central Essex County Catholic Family of Parishes.^[20]
St. Clement		9567 County Rd 11, McGregor	Parish established 1880^[21] Member of the Central Essex County Catholic Family of Parishes.
Star of the Sea		Pelee Island	Member of the Erie Shores South Catholic Family of Parishes.
St. Joseph		River Canard	Member of the LaSalle River Canard Catholic Family of Parishes.
Ste. Anne		12233 Tecumseh Rd East, Tecumseh	^[22]
Our Lady of the Blessed Sacrament		Wheatley	Member of the Erie Shores South Catholic Family of Parishes.
Assumption		350 Huron Church Rd, Windsor	Member of the Windsor Heritage Catholic Family of Parishes.
Corpus Christi		1400 Cabana Rd West, Windsor
Holy Trinity		1035 Ellis St East, Windsor
Immaculate Heart		2153 Parkwood Ave, Windsor
Most Precious Blood		1947 Meldrum Rd, Windsor	Member of the North Central Windsor Catholic Family of Parishes.
Our Lady of the Atonement		2940 Forest Glade Dr, Windsor	Member of the East Windsor Catholic Family of Parishes.
Our Lady of Guadalupe		834 Raymo Rd, Windsor	Member of the North Central Windsor Catholic Family of Parishes.
Our Lady of Mount Carmel		4401 Mount Royal Dr, Windsor
Our Lady of Perpetual Help		804 Grand Marais Rd East, Windsor
Paroisse St-Jerome		3739 Rue Ypres, Windsor
St. Alphonsus		85 Park St East, Windsor	Member of the Windsor Heritage Catholic Family of Parishes.
St. Angela Merici		980 Louis Ave, Windsor	Member of the Windsor Heritage Catholic Family of Parishes.
St. Anthony of Padua		2015 Balfour Blvd, Windsor	Member of the East Windsor Catholic Family of Parishes.
St. Benedict Tridentine Catholic Community		c/o St. Alphonsus, Windsor	Member of the Windsor Heritage Catholic Family of Parishes.
Sts. Cyril and Methodius		1532 Alexis Rd, Windsor	Member of the North Central Windsor Catholic Family of Parishes.
St. Daniel Comboni African Catholic Community		Windsor (c/o St. Alphonsus)	Member of the Windsor Heritage Catholic Family of Parishes.
St. Francis of Assisi		1701 Turner Rd, Windsor
St. John Vianney		385 Dieppe St, Windsor	Member of the East Windsor Catholic Family of Parishes.
St. Michael		2153 Parkwood Ave, Windsor
St. Philippe and St. Anne Vietnamese Martyrs		1630 Partington Ave, Windsor
St. Theresa		1991 Noram Rd, Windsor	Member of the North Central Windsor Catholic Family of Parishes.
St. Yu Jin-Gil Korean Catholic Community		c/o Our Lady of Mount Carmel, Windsor
San Juan Diego of Guadalupe Hispanic Catholic Community		834 Raymo Rd, Windsor	Member of the North Central Windsor Catholic Family of Parishes.
St. John the Evangelist		R.R. 1, 1688 County Rd 46, Woodslee	Member of the Central Essex County Catholic Family of Parishes.

Former Churches

Name	Image	Location	Description/Notes
St. Matthew Church		Alvinston	Church closed on June 30, 2007.^[23] Located in Our Lady Help of Christians Parish, Watford.
English Martyrs Church		Bayfield	Church closed on October 11, 2006. Located in St. Peter Parish, St. Joseph.
St. Ignatius Church		Bothwell	Church closed on June 30, 2007. Located in St. Paul Parish,Thamesville.
St. Anthony of Padua Church		Chatham	Hungarian Church.	Church closed on August 10, 2008.
St. Joseph Church		Clinton	Church closed on July 8, 2007. Located in St. Peter Parish, Goderich.
Our Lady of Lourdes Church		Comber	Church closed on January 1, 2006. Located in Parish of the Visitation, Comber.
St. Ladislaus Church		Courtland	Hungarian Parish. Church closed on December 29, 2013.
St. Charles Borromeo Church		Courtright	Church closed on June 30, 2007. Located in St. Joseph Parish, Corunna.
St. Casimir		41 Talbot Rd, Delhi	Formerly called St. John de Brebeuf and Companions Church 1932-1956^[24] Church closed and parish suppressed on December 1, 2020.^[25]
St. William Church		Emeryville	Church closed on September 5, 2016. Boundaries absorbed by Good Shepherd Parish, Lakeshore.
St. Philippe Church		Grande Pointe	Church closed on April 30, 2007. Located in Immaculée Conception Parish, Pain Court.
St. Mary of Perpetual Help Church		Hesson	Church closed on June 24, 2007. Located in St. Joseph Parish, Listowel.
St. Joseph Church		Kingsbridge	Church closed on October 21, 2012. Located in St. Peter Parish, Goderich.
Our Lady of LaSalette Church		La Salette	Church closed on November 1, 2011. Located in Our Lady, Queen of Martyrs Parish, Delhi LaSalette.
St. Joseph Church		Leamington	Church closed on January 0, 1900. .
St. Brigid Church		Logan	Church closed on June 30, 2007. Located in St. Patrick Parish, Kinkora and St. Vincent de Paul Parish, Mitchell.
Blessed Sacrament Church		London	Church closed on June 30, 2006. Located in St. Patrick Parish, London.
Holy Rosary Church		London	Church closed on September 14, 2005. Located in St. Martin of Tours Parish, London.
St. Joseph Church		London	Church closed on July 9, 2006. Located in Holy Family Parish, London.
St. Patrick Church		Merlin	Parish closed on October 25, 2015. Church is a part of Our Lady of the Rosary Shrine Diocesan Shrine.
Our Lady of the Angels Church		Pardoville	Church closed on April 30, 2007. Located in: St. Mary Parish, Blenheim.
St. Edward the Confessor Church		Point Edward	Church closed on April 6, 2004. Located in Our Lady of Mercy Parish, Sarnia.
St. Joseph Church		Port Burwell	Church closed on June 23, 2003. Located in Our Lady of Sorrows Parish, Aylmer, Sacred Heart Parish, Langton and St. Mary Parish, Tillsonburg.
St. Joseph Church		Port Stanley	Church closed on November 2, 2008. Located in Holy Angels Parish, St. Thomas.
Sacred Heart Church		Princeton	Church closed on August 27, 2006. Located in Holy Trinity Parish, Woodstock.
Our Lady of Sorrows		Sarnia	Church closed on September 13, 2008. Sacramental records located at: The Archives of the Diocese of London.
St. Peter Church		Sarnia	Church closed on June 30, 2007. Located in Our Lady of Mercy Parish Sarnia, St. Benedict Parish, Sarnia and Sacred Heart Parish, Sarnia.
St. Augustine Church		St. Augustine	Church closed on October 31, 2006. Located in St. Peter Parish, Goderich.
St. Columba Church		Bornish
St. Columban Church		St. Columban	Church closed on June 26, 2005. Located in St. James Parish, Seaforth.
St. Joachim Church		St. Joachim	Church closed on January 1, 2006. Located in Parish of the Visitation, Comber.
St. Charles Church		Stevenson	Church closed on March 17, 2006. Located in St. Francis Xavier Parish, Tilbury.
Church of the Annunciation		Stoney Point	Church closed on November 19, 2006. Demolished in November 2023.^[26] Located in Parish of the Visitation, Comber.
St. Gregory the Great Church		Tecumseh	Church closed on September 5, 2016. Boundaries absorbed by Good Shepherd Parish, Lakeshore.
Blessed Sacrament Church		Windsor	Church closed on June 30, 2012. Located in Our Lady of the Assumption Parish, Windsor.
Christ the King Church		Windsor	Church closed on January 1, 2007. Located in Corpus Christi Parish, Windsor.
Immaculate Conception Church		Windsor	Church closed on January 1, 2007. Located in Immaculate Heart Parish, Windsor.
Our Lady of Fatima Church		Windsor	Church closed on June 4, 2006. Located in St. John Vianney Parish, Windsor.
Our Lady of the Rosary Church		Windsor	Church closed on June 30, 2008. Located in Most Precious Blood Parish, Windsor and Our Lady of Guadalupe Parish, Windsor.
Sacred Heart Church		Windsor	Church closed on January 1, 2007. Located in Immaculate Heart Parish, Windsor.
St. Anne Church		Windsor	Church closed on June 30, 2008. Located in Most Precious Blood Parish, Windsor and Our Lady of Guadalupe Parish, Windsor.
St. Casimir Church		Windsor	Church closed on September 30, 2009. Sacramental records located at: The Archives of the Diocese of London.
St. Christopher Church		Windsor	Church closed on June 3, 2007. Located in Our Lady of Perpetual Help Parish, Windsor.
St. Clare of Assisi Church		Windsor	Church closed on June 15, 2000. Located in St. Alphonsus Parish, Windsor.
St. Joseph the Worker Church		Windsor	Church closed on October 14, 2002. Located in Most Precious Blood Parish, Windsor.
St. Martin de Porres Church		Windsor	Church closed on January 1, 2007. Located in Corpus Christi Parish, Windsor.
St. Patrick Church		Windsor	Church closed on June 20, 2010. Located in Corpus Christi Parish and Assumption Parish, Windsor.
St. Rose of Lima Church		Windsor	Church closed on June 28, 2009. Located in Our Lady of Guadalupe Parish, Windsor.
St. Thomas the Apostle Church		Windsor	Church closed on July 6, 2008. Located in Our Lady of Guadalupe Parish, Windsor.
St. Vincent de Paul Church		Windsor	Church closed on October 7, 2022.^[27] Located in Atonement Parish, Windsor.
St. Mary Church		Woodstock	Church closed on June 28, 2006. Located in Holy Trinity Parish, Woodstock.
St. Rita Church		Woodstock	Church closed on May 27, 2013. Located in Holy Trinity Parish, Woodstock.
Holy Rosary Church		Wyoming	Church closed on June 30, 2007. Located in St. Philip Parish, Petrolia.

Notes and References

1. Web site: About Us. Diocese of London. April 23, 2020.
2. Web site: Official Directory. Diocese of London. 22–49. December 2019.
3. Web site: St. Ambrose Catholic Church . 23 May 2020.
4. Web site: Here is the Church, Here is the Steeple . . . Perth County's Historical Churches . Perth Arts Connect . 23 May 2020.
5. Web site: Discover Delhi. An Historical Walking Tour: Faith & Fellowship . 23 May 2020.
6. Web site: Decree Sacred Heart Church, Delaware . 17 October 2020.
7. Web site: Church of St. Patrick, London, Ontario, Canada (1952) . 10 April 2024.
8. Web site: Some important dates in the history of our parish. St. Peter's Cathedral Parish. 2014-02-25.
9. Web site: About: St. Christopher's History. St. Christopher & Our Lady of Help Christians. April 23, 2020.
10. Web site: Home page. St. Philip's Parish. April 23, 2020.
11. Web site: Brief History St. John The Baptist Church. St. John the Baptist Church. April 23, 2020.
12. Web site: History. St. Simon & St. Jude Parish. April 23, 2020.
13. Web site: Home page. Visitation Roman Catholic Parish, Paroisse Catholique Romaine. April 23, 2020.
14. Web site: Home page. Holy Name of Jesus. April 23, 2020.
15. Web site: Home page. St. Anthony of Padua Parish. April 23, 2020.
16. Web site: History. Good Shepherd Parish. April 23, 2020.
17. Web site: A Brief History of Sacred Heart Parish. LaSalle River Canard Catholic Family of Parishes. April 23, 2020.
18. Web site: A Brief History of St. Paul Parish. LaSalle River Canard Catholic Family of Parishes. April 23, 2020.
19. Web site: St. Michael's Parish. St. Michael's & Our Lady of the Blessed Sacrament. April 23, 2020.
20. Web site: Home page. St. Mary's and St. John the Evangelist. April 23, 2020.
21. Web site: Home page. St. Clement Parish. April 23, 2020.
22. Web site: History of Ste Anne Parish. Ste. Anne Parish. April 23, 2020.
23. Web site: Diocesan Directory. Diocese of London . 30 March 2022.
24. Web site: Discover Delhi. An Historical Walking Tour: Faith & Fellowship . 23 May 2020.
25. Web site: Suppression of St. Casimir Parish 2020 . Diocese of London . 30 March 2022.
26. News: Stoney Point residents mourn loss of historic church . 20 February 2024.
27. Web site: Decree . https://web.archive.org/web/20221207151729/https://ec-prod-sites.s3.amazonaws.com/15495/documents/2022/10/Decree-SVdP-ChruchClosure.pdf . 18 April 2024. 2022-12-07 .