Parishes, clergy, staff, and ministries across the diocese. Search or filter to narrow the roster.
Compiled from public records
These parish, clergy, staff, and ministry listings are compiled from diocesan and parish websites, and may lag behind recent changes.
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| Name | City | Type | Deanery | Pastoral grouping | Status | Phone | Clergy |
|---|---|---|---|---|---|---|---|
| All Saints Nigerian Catholic Community of Oshawa | Oshawa | Personal Parish | Durham | East | Active | (905) 723-5259 | 0 |
| All Saints Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 244-3066 | 1 |
| Annunciation of the Blessed Virgin Mary Parish, Toronto | Toronto | Parish | Scarborough | East | Active | (416) 445-1760 | 3 |
| Assomption de Notre-Dame, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 576-1706 | 3 |
| Blessed Frederic Ozanam Parish, Markham | Markham | Parish | York County | North | Active | (289) 554-0556 | 2 |
| Blessed Sacrament Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 481-2256 | 4 |
| Blessed Trinity Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 226-0262 | 4 |
| Canadian Martyrs Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (437) 880-9354 | 0 |
| Chapel of Our Lady of Consolation, Woodbridge | Woodbridge | Chapel | York County | North | Active | (905) 851-5822 | 1 |
| Chapel of St. Joseph, Thornhill | Thornhill | Chapel | York County | North | Active | (905) 889-7467 | 1 |
| Chinese Martyrs Catholic Parish, Markham | Markham | Parish | York County | North | Active | (905) 294-1377 | 5 |
| Christ the King Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 251-8983 | 1 |
| Communaute-Saint-Antoine-Daniel, Barrie | Barrie | Parish | Simcoe | North | Active | 1 | |
| Corpus Christi Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (416) 694-0382 | 1 |
| Cristo Rei Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 270-1133 | 2 |
| Croatian Martyrs Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 826-8844 | 1 |
| Epiphany of Our Lord Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 499-2196 | 4 |
| Good Shepherd Parish, Thornhill | Thornhill | Parish | York County | North | Active | (905) 881-1534 | 3 |
| Guardian Angels Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 970-9175 | 1 |
| Guardian Angels Parish, Orillia | Orillia | Parish | Simcoe | North | Active | (705) 326-2849 | 7 |
| Holy Angels Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 255-1691 | 1 |
| Holy Cross Parish, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 723-5259 | 1 |
| Holy Cross Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (416) 421-5225 | 1 |
| Holy Family Coptic Catholic Parish, Toronto | Toronto | Parish | Etobicoke | West | Active | (416) 255-4942 | 2 |
| Holy Family Parish, Bolton | Bolton | Parish | Dufferin-Peel | West | Active | (905) 857-1938 | 2 |
| Holy Family Parish, Toronto | Toronto | Parish | West Central | Central | Active | (416) 532-2879 | 1 |
| Holy Family Parish, Whitby | Whitby | Parish | Durham | East | Active | (905) 665-6470 | 2 |
| Holy Martyrs of Japan Parish, Bradford | Bradford | Parish | Simcoe | North | Active | (905) 775-2065 | 3 |
| Holy Name Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (416) 466-8281 | 2 |
| Holy Redeemer Parish, Pickering | Pickering | Parish | Durham | East | Active | (905) 839-9774 | 2 |
| Holy Rosary Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 923-8471 | 3 |
| Holy Spirit Parish, Barrie | Barrie | Parish | Simcoe | North | Active | (705) 722-3771 | 3 |
| Holy Spirit Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 293-7974 | 1 |
| Immaculate Conception Mission, Alliston | Alliston | Mission | Simcoe | North | Active | 1 | |
| Immaculate Conception Parish, Port Perry | Port Perry | Parish | Durham | East | Active | (905) 985-7071 | 1 |
| Immaculate Conception Parish, Sutton West | Sutton West | Parish | York County | North | Active | (905) 476-0097 | 3 |
| Immaculate Conception Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 651-7875 | 1 |
| Immaculate Conception Parish, Woodbridge | Woodbridge | Parish | York County | North | Active | (905) 856-2205 | 5 |
| Immaculate Heart of Mary Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 691-6968 | 1 |
| Indonesian U.K.I. Catholic Chaplaincy, Mississauga | Mississauga | Personal Parish | Mississauga | West | Active | (905) 826-1143 | 1 |
| Lithuanian Martyrs Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 277-4320 | 1 |
| Merciful Redeemer Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 812-0030 | 4 |
| Mission Saint-Frere-Andre, Aurora | Aurora | Mission | York County | North | Active | (877) 974-7455 | 1 |
| Native Peoples Mission, Toronto | Toronto | Mission | Downtown | Central | Active | (416) 466-2127 | 2 |
| Nativity of Our Lord Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 621-2732 | 1 |
| Newman Centre Catholic Mission, Toronto | Toronto | Mission | Downtown | Central | Active | (416) 979-2468 | 3 |
| Our Lady Help of Christians Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 255-2721 | 0 |
| Our Lady of Fatima Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 454-3010 | 1 |
| Our Lady of Fatima Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 757-2806 | 2 |
| Our Lady of Fatima Tamil Chaplaincy, Mississauga | Mississauga | Personal Parish | Mississauga | West | Active | (647) 283-1972 | 0 |
| Our Lady of Good Counsel Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 534-1145 | 1 |
| Our Lady of Good Health Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 264-6544 | 1 |
| Our Lady of Grace Parish, Angus | Angus | Parish | Simcoe | North | Active | (705) 424-1551 | 1 |
| Our Lady of Grace Parish, Aurora | Aurora | Parish | York County | North | Active | (905) 727-4594 | 4 |
| Our Lady of Guadalupe Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 767-8658 | 3 |
| Our Lady of La Vang Vietnamese Community, Mississauga | Mississauga | Personal Parish | Mississauga | West | Active | (905) 275-0691 | 1 |
| Our Lady of Lourdes Mission, Elmvale | Elmvale | Mission | Simcoe | North | Active | 1 | |
| Our Lady of Lourdes Parish, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 924-6257 | 4 |
| Our Lady of Mount Carmel Parish, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 598-3920 | 2 |
| Our Lady of Peace Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 239-1259 | 1 |
| Our Lady of Perpetual Help Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 489-1540 | 1 |
| Our Lady of Sorrows Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 231-6016 | 2 |
| Our Lady of the Airways Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 677-4615 | 1 |
| Our Lady of the Annunciation Parish, Richmond Hill | Richmond Hill | Parish | York County | North | Active | (905) 773-5223 | 3 |
| Our Lady of the Assumption Mission, Brentwood | Brentwood | Mission | Simcoe | North | Active | 1 | |
| Our Lady of the Assumption Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 787-4547 | 2 |
| Our Lady of the Lake Mission, Keswick | Keswick | Mission | York County | North | Active | (905) 476-0097 | 1 |
| Our Lady of the Miraculous Medal Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 255-2721 | 1 |
| Our Lady of the Rosary Mission, Highland Point, Penetanguishene | Penetanguishene | Mission | Simcoe | North | Active | 1 | |
| Our Lady of the Rosary Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 298-6500 | 1 |
| Our Lady of Victory Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 769-1171 | 1 |
| Our Lady Queen of Croatia Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 536-3669 | 1 |
| Our Lady Queen of Poland Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 332-0724 | 2 |
| Our Lady Queen of the World Parish, Richmond Hill | Richmond Hill | Parish | York County | North | Active | (905) 884-7006 | 3 |
| Paroisse de la Sainte-Famille, Mississauga | Mississauga | Parish | Dufferin-Peel | West | Active | (905) 826-6316 | 1 |
| Precious Blood Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 751-2661 | 3 |
| Prince of Peace Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 291-9422 | 4 |
| Resurrection of Our Lord Jesus Christ Parish, Toronto | Toronto | Parish | Etobicoke | West | Active | (416) 533-0621 | 3 |
| Sacre-Coeur Parish, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 922-2177 | 1 |
| Sacred Heart Chinese Catholic Mission, Scarborough | Scarborough | Mission | Scarborough | East | Active | (647) 778-6133 | 1 |
| Sacred Heart Kerala Roman Catholic Community, Toronto | Toronto | Personal Parish | North West Metro | West | Active | (416) 241-6738 | 1 |
| Sacred Heart Mission, Warminster | Warminster | Mission | Simcoe | North | Active | (705) 326-2849 | 1 |
| Sacred Heart of Jesus Parish - Ye Su Sung Shim Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 259-5601 | 1 |
| Sacred Heart Parish, King City | King City | Parish | York County | North | Active | (905) 833-1161 | 1 |
| Sacred Heart Parish, Port McNicoll | Port McNicoll | Parish | Simcoe | North | Active | (705) 538-2353 | 0 |
| Sacred Heart Parish, Uxbridge | Uxbridge | Parish | Durham | East | Active | (905) 852-6944 | 2 |
| Saint John the Baptist Northern Chinese Catholic Mission, Newmarket | Newmarket | Mission | York County | North | Active | (905) 294-1377 | 0 |
| San Juan Diego Spanish Mission, Whitby | Whitby | Mission | Durham | East | Active | (905) 668-3676 | 1 |
| Santa Cruz Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 533-8425 | 1 |
| Saviour of the World Chinese Catholic Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 568-8939 | 2 |
| Ss. Salvador do Mundo's Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 270-1133 | 0 |
| St. Agnes Kouying Tsao Parish, Markham | Markham | Parish | York County | North | Active | (905) 887-7922 | 4 |
| St. Agnes Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 603-1715 | 1 |
| St. Aidan's Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 494-2704 | 2 |
| St. Alphonsus Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 653-4486 | 1 |
| St. Ambrose Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 251-8282 | 3 |
| St. Andre Bessette Parish, Maple | Maple | Parish | York County | North | Active | (289) 553-1610 | 1 |
| St. Andrew Kim's Parish, North York | North York | Parish | North Toronto | Central | Active | (416) 447-4078 | 3 |
| St. Andrew's Parish, Brechin | Brechin | Parish | Simcoe | North | Active | (705) 326-2849 | 1 |
| St. Andrew's Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 749-4391 | 3 |
| St. Ann's Parish, Penetanguishene | Penetanguishene | Parish | Simcoe | North | Active | (705) 549-2560 | 3 |
| St. Ann's Parish, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 466-2127 | 2 |
| St. Anne's Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 453-1303 | 2 |
| St. Anselm's Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 485-1792 | 2 |
| St. Anthony Mission, Virginia | Virginia | Mission | Durham | East | Active | 1 | |
| St. Anthony of Padua Parish, Bramalea | Bramalea | Parish | Dufferin-Peel | West | Active | (905) 793-8030 | 5 |
| St. Anthony's Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 536-3333 | 2 |
| St. Augustine of Canterbury Parish, Toronto | Toronto | Parish | North West Metro | West | Active | (416) 661-8221 | 2 |
| St. Barnabas Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 298-0989 | 5 |
| St. Bartholomew's Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 291-5250 | 2 |
| St. Basil's Parish, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 926-7110 | 1 |
| St. Benedict's Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 743-3830 | 7 |
| St. Bernadette's Parish, Ajax | Ajax | Parish | Durham | East | Active | (905) 683-1533 | 3 |
| St. Bernard de Clairvaux Parish, Toronto | Toronto | Parish | North West Metro | West | Active | (416) 241-6738 | 1 |
| St. Bonaventure's Parish, Don Mills | Don Mills | Parish | North Toronto | Central | Active | (416) 447-5571 | 2 |
| St. Boniface Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 261-5983 | 2 |
| St. Brigid's Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (416) 696-8660 | 1 |
| St. Casimir's Parish, Toronto | Toronto | Parish | West Central | Central | Active | (416) 532-2822 | 3 |
| St. Catherine of Siena Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 272-1454 | 3 |
| St. Cecilia's Parish, Toronto | Toronto | Parish | West Central | Central | Active | (416) 769-8163 | 2 |
| St. Charles Borromeo Parish, Toronto | Toronto | Parish | North West Metro | West | Active | (416) 787-0369 | 3 |
| St. Christopher's Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 822-1171 | 2 |
| St. Clare of Assisi Parish, Woodbridge | Woodbridge | Parish | York County | North | Active | (905) 653-8000 | 4 |
| St. Clare's Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 654-7087 | 1 |
| St. Clement's Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 621-4060 | 2 |
| St. Columbkille's Parish, Ramara | Ramara | Parish | Simcoe | North | Active | (705) 326-2849 | 1 |
| St. Cornelius Mission, Caledon | Caledon | Mission | Dufferin-Peel | West | Active | 1 | |
| St. David's Parish, Maple | Maple | Parish | York County | North | Active | (905) 832-5595 | 3 |
| St. Dominic's Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 278-7762 | 1 |
| St. Dunstan's Parish, Scarborough | Scarborough | Parish | East Toronto | Central | Active | (416) 694-2811 | 2 |
| St. Edith Stein Church, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 696-8427 | 1 |
| St. Edward the Confessor Parish, North York | North York | Parish | North Toronto | Central | Active | (416) 221-9131 | 3 |
| St. Elizabeth of Hungary Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 225-3300 | 1 |
| St. Elizabeth Seton Parish, Newmarket | Newmarket | Parish | York County | North | Active | (905) 853-5009 | 3 |
| St. Eugene de Mazenod Mission, Brampton | Brampton | Mission | Dufferin-Peel | West | Active | (905) 451-1422 | 4 |
| St. Eugene's Chapel, Toronto | Toronto | Chapel | North Toronto | Central | Active | (416) 485-7781 | 0 |
| St. Fidelis Parish, Toronto | Toronto | Parish | North West Metro | West | Active | (416) 247-8741 | 1 |
| St. Florence Mission, Thunder Bay Beach, Tiny | Tiny | Mission | Simcoe | North | Active | 1 | |
| St. Francis de Sales Parish, Ajax | Ajax | Parish | Durham | East | Active | (905) 683-1403 | 3 |
| St. Francis of Assisi Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 822-8132 | 3 |
| St. Francis of Assisi Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 536-8195 | 1 |
| St. Francis of Assisi Parish, Washago | Washago | Parish | Simcoe | North | Active | (705) 326-2849 | 1 |
| St. Francis Xavier Mission, Christian Island | Christian Island | Mission | Simcoe | North | Active | 0 | |
| St. Francis Xavier Mission, Tottenham | Tottenham | Mission | Simcoe | North | Active | 0 | |
| St. Francis Xavier Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 890-5290 | 5 |
| St. Gabriel's Catholic Parish, Willowdale | Willowdale | Parish | North Toronto | Central | Active | (416) 221-8866 | 2 |
| St. Gertrude's Parish, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 433-0828 | 2 |
| St. Gregory the Great Parish, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 723-8141 | 3 |
| St. Gregory's Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 239-4831 | 1 |
| St. Hedwig's Parish, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 576-0434 | 1 |
| St. Helen's Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (416) 531-8188 | 1 |
| St. Ignatius Loyola Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 820-1444 | 4 |
| St. Isaac Jogues Parish, Pickering | Pickering | Parish | Durham | East | Active | (905) 831-3353 | 4 |
| St. James Parish, Colgan | Colgan | Parish | Simcoe | North | Active | (905) 936-4266 | 1 |
| St. James Parish, Toronto | Toronto | Parish | West Central | Central | Active | (416) 767-6451 | 1 |
| St. Jane Frances Parish, North York | North York | Parish | North West Metro | West | Active | (416) 741-1463 | 4 |
| St. Jerome's Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 455-4260 | 3 |
| St. Joan of Arc Parish, Toronto | Toronto | Parish | West Central | Central | Active | (416) 762-1026 | 1 |
| St. John Bosco Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 651-1491 | 1 |
| St. John Chrysostom Parish, Newmarket | Newmarket | Parish | York County | North | Active | (905) 898-4137 | 4 |
| St. John Fisher Parish, Bramalea | Bramalea | Parish | Dufferin-Peel | West | Active | (905) 793-6610 | 2 |
| St. John of the Cross Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 821-1331 | 7 |
| St. John the Baptist Parish, Toronto | Toronto | Parish | West Toronto | Central | Active | (647) 346-1168 | 0 |
| St. John the Evangelist Parish, Caledon | Caledon | Parish | Dufferin-Peel | West | Active | (905) 880-0080 | 2 |
| St. John the Evangelist Parish, Waubaushene | Waubaushene | Parish | Simcoe | North | Active | (705) 538-2353 | 1 |
| St. John the Evangelist Parish, Weston | Weston | Parish | North West Metro | West | Active | (416) 241-0133 | 2 |
| St. John the Evangelist Parish, Whitby | Whitby | Parish | Durham | East | Active | (905) 668-3676 | 2 |
| St. John Vianney Parish, Barrie | Barrie | Parish | Simcoe | North | Active | (705) 726-8007 | 4 |
| St. John XXIII Parish, Don Mills | Don Mills | Parish | North Toronto | Central | Active | (416) 429-4000 | 1 |
| St. John's Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (416) 698-1105 | 2 |
| St. Joseph the Worker Parish, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 432-2300 | 2 |
| St. Joseph the Worker Parish, Thornhill | Thornhill | Parish | York County | North | Active | (905) 660-1253 | 2 |
| St. Joseph's Parish, Beaverton | Beaverton | Parish | Durham | East | Active | (705) 426-7424 | 1 |
| St. Joseph's Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 826-2766 | 4 |
| St. Joseph's Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 282-0370 | 4 |
| St. Joseph's Parish, Toronto | Toronto | Parish | East Toronto | Central | Active | (416) 466-7815 | 1 |
| St. Josephine Bakhita Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 826-1143 | 4 |
| St. Jude's Parish, Weston | Weston | Parish | North West Metro | West | Active | (416) 742-9072 | 2 |
| St. Justin Martyr Parish, Unionville | Unionville | Parish | York County | North | Active | (905) 479-2463 | 2 |
| St. Lawrence Martyr Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 759-9359 | 3 |
| St. Leo the Great Parish, Brooklin | Brooklin | Parish | Durham | East | Active | (905) 655-3286 | 1 |
| St. Leo's Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 251-1109 | 1 |
| St. Leonard's Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 846-5385 | 5 |
| St. Louis Mission, Mount St. Louis, Oro-Medonte | Oro-Medonte | Mission | Simcoe | North | Active | (705) 538-2353 | 1 |
| St. Louis-de-France Parish, North York | North York | Parish | North Toronto | Central | Active | (416) 445-6433 | 1 |
| St. Luke's Parish, Thornhill | Thornhill | Parish | York County | North | Active | (905) 881-2786 | 3 |
| St. Margaret Mary Parish, Woodbridge | Woodbridge | Parish | York County | North | Active | (905) 851-2661 | 3 |
| St. Margaret of Scotland Parish, Toronto | Toronto | Parish | North Toronto | Central | Active | (416) 485-7781 | 3 |
| St. Margaret's Parish, Midland | Midland | Parish | Simcoe | North | Active | (705) 526-6313 | 2 |
| St. Marguerite d'Youville Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 792-7497 | 3 |
| St. Maria Goretti Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 261-0076 | 3 |
| St. Mark's Parish, Etobicoke | Etobicoke | Parish | Etobicoke | West | Active | (416) 259-6790 | 1 |
| St. Mark's Parish, Stouffville | Stouffville | Parish | York County | North | Active | (905) 640-6954 | 3 |
| St. Martin de Porres Parish, Scarborough | Scarborough | Parish | Scarborough | East | Active | (416) 284-9192 | 1 |
| St. Martin of Tours Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 279-5742 | 3 |
| St. Mary Immaculate Parish, Richmond Hill | Richmond Hill | Parish | York County | North | Active | (905) 884-1784 | 4 |
| St. Mary of the Angels Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 532-4779 | 2 |
| St. Mary of the People Parish, Oshawa | Oshawa | Parish | Durham | East | Active | (905) 728-2212 | 1 |
| St. Mary Star of the Sea Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 278-2058 | 1 |
| St. Mary's Mission (Achill), Loretto | Loretto | Mission | Simcoe | North | Active | 0 | |
| St. Mary's Mission, Nobleton | Nobleton | Mission | Simcoe | North | Active | (905) 859-5522 | 0 |
| St. Mary's Parish, Barrie | Barrie | Parish | Simcoe | North | Active | (705) 728-2985 | 4 |
| St. Mary's Parish, Brampton | Brampton | Parish | Dufferin-Peel | West | Active | (905) 451-2300 | 4 |
| St. Mary's Parish, Collingwood | Collingwood | Parish | Simcoe | North | Active | (705) 445-1790 | 1 |
| St. Mary's Parish, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 703-2326 | 2 |
| St. Mary's Parish, Toronto | Toronto | Parish | West Central | Central | Active | (416) 656-3130 | 1 |
| St. Mary's Parish, Victoria Harbour | Victoria Harbour | Parish | Simcoe | North | Active | (705) 538-2353 | 1 |
| St. Matthew's Parish, Toronto | Toronto | Parish | Mount Dennis | Central | Active | (416) 653-7191 | 2 |
| St. Maximilian Kolbe Parish, Mississauga | Mississauga | Parish | Mississauga | West | Active | (905) 848-2420 | 5 |
| St. Michael's Cathedral Basilica, Toronto | Toronto | Parish | Downtown | Central | Active | (416) 364-0234 | 6 |