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

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. The cathedral church of the diocese is St. Peter's Cathedral Basilica in London, Ontario.

## Huron Perth Deanery

| Name | Location | Description/Notes |
| St. Ambrose | 17 Flora St., Brussels | Mission of Sacred Heart, Wingham. First church built in 1876, second church built in 1993. |
| 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. |
| 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 | 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 |
| 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 | 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. Joseph | 180 Wellington St West, Chatham | Member of the Chatham Catholic Family of Parishes |
| St. Ursula | 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 | Location | Description/Notes |
| Our Lady of Sorrows | 116 John St South, Aylmer | Member of the Elgin Roman 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. |
| St. Peter's Cathedral Basilica | 196 Dufferin Ave, London | Parish established 1834; French French Gothic Revival style built 1880-1885 |
| 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 | 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 |
| St. Philip | 415 King St, Petrolia | |
| 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 Christians | 432 Victoria St, Watford | |

## Windsor-Essex Deanery

| Name | Location | 'Description/Notes |
| St. John the Baptist | 225 Brock St, Amherstburg | Parish established 1800 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 |
| Visitation | 5407 Comber Side Rd, Comber | |
| Holy Name of Jesus | 146 Talbot St South, Essex | Member of the Central Essex County Catholic Family of Parishes. |
| St. Anthony of Padua | 120 Munger St West, Harrow | Member of the Amherstburg-Harrow Catholic Family of Parishes. |
| 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 |
| Sacred Heart | 219 Sacred Heart Dr, LaSalle | Parish established 1921, church opened 1923. Member of the LaSalle River Canard Catholic Family of Parishes. |
| St. Paul | 5885 Malden Rd, LaSalle | Church dedicated 1953 Member of the LaSalle River Canard Catholic Family of Parishes. |
| St. Michael | 29 Elliott St, Leamington | Member of the Erie Shores South Catholic Family of Parishes. |
| St. Mary | 12048 County Rd 34, Maidstone | Member of the Central Essex County Catholic Family of Parishes. |
| St. Clement | 9567 County Rd 11, McGregor | Parish established 1880 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 | |
| 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 | Location | Description/Notes |
| St. Matthew Church | Alvinston | Church closed on June 30, 2007. 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. Columba Church | Bornish | |
| St. Ignatius Church | Bothwell | Church closed on June 30, 2007. Located in St. Paul Parish,Thamesville. |
| St. Anthony of Padua Church | Chatham | Church closed on August 10, 2008. |
| St. Agnes | 52 Croydon St, Chatham | Parish founded in 1957. The chrurch was blessed on November 23,1958 and enlarged in 1981. The parish was suppressed on January 21, 2025 and church closed on the same day. |
| 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. |
| Sacred Heart | Delaware | Church building closed in 2018. Parish suppressed in 2024. |
| St. Casimir | 41 Talbot Rd, Delhi | Formerly called St. John de Brebeuf and Companions Church 1932-1956 Church closed and parish suppressed on December 1, 2020. |
| 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. 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. 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. 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. |