Catholic Dioceses
in
Canada
Catholic DiocesesinCanada | |
Former Jurisdiction | Type | Became |
| Alexandria–Cornwall Alexandrin(us)–Cornubien(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Ottawa–Cornwall |
| Alexandria in America | Diocese | Suppressed into Metropolitan Archdiocese of Ottawa–Cornwall |
| Alexandria in Ontario Alexandrin(us) in Ontario | Diocese | Suppressed into Metropolitan Archdiocese of Ottawa–Cornwall |
| Arichat Arichaten(sis) | Diocese | Now Diocese of Antigonish |
| Athabaska de Athabaska | Apostolic Vicariate | Now Metropolitan Archdiocese of Grouard–McLennan |
| Athabaska Mackenzie | Apostolic Vicariate | Now Metropolitan Archdiocese of Grouard–McLennan |
| Baie d’Hudson / Hudson Bay Sinus de Hudson | Apostolic Vicariate | Now Diocese of Churchill–Baie d’Hudson |
| Baie d’Hudson / Hudson Bay Sinus de Hudson | Apostolic Prefecture | Now Diocese of Churchill–Baie d’Hudson |
| Baie de James Sinus Jacobi | Apostolic Vicariate | Suppressed into Diocese of Hearst–Moosonee |
| British Columbia | Apostolic Vicariate | Now Metropolitan Archdiocese of Vancouver |
| Bytown Bypolitan(us) | Diocese | Now Metropolitan Archdiocese of Ottawa–Cornwall |
| Canada (Ukrainian Rite) | Apostolic Exarchate | Now Metropolitan Archdiocese of Winnipeg |
| Canada (Syro-Malabar Rite) | Apostolic Exarchate | Now Diocese of Mississauga |
| Canada | Military Vicariate | Now Military Ordinariate of Military Ordinariate of Canada |
| Central Canada (Ukrainian Rite) | Apostolic Exarchate | Now Metropolitan Archdiocese of Winnipeg |
| Chatham Chathamen(sis) | Diocese | Now Diocese of Bathurst |
| Churchill Churchillpolitan(us) | Diocese | Now Diocese of Churchill–Baie d’Hudson |
| Eastern Canada (Ukrainian Rite) | Apostolic Exarchate | Now Diocese of Toronto |
| Edmonton (Ukrainian Rite) Edmontonen(sis) Ucrainorum | Apostolic Exarchate | Now Diocese of Edmonton |
| Fort William Arcis Gulielmi | Diocese | Now Diocese of Thunder Bay |
| Gatineau–Hull Gatinen(sis)–Hullen(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Gatineau |
| Gatineau–Hull Gatinen(sis)–Hullen(sis) | Diocese | Now Metropolitan Archdiocese of Gatineau |
| Golfe Saint-Laurent Sinus Sancti Laurentii | Diocese | Now Diocese of Baie-Comeau |
| Golfe Saint-Laurent Sinus Sancti Laurentii | Apostolic Vicariate | Now Diocese of Baie-Comeau |
| Golfe Saint-Laurent Sinus Sancti Laurentii | Apostolic Prefecture | Now Diocese of Baie-Comeau |
| Gravelbourg Gravelburgen(sis) | Diocese | Now Metropolitan Archdiocese of Regina, Diocese of Saskatoon and Titular Episcopal See of Gravelbourg |
| Grouard Gruarden(sis) | Apostolic Vicariate | Now Metropolitan Archdiocese of Grouard–McLennan |
| Haileybury Haileyburen(sis) | Diocese | Now Diocese of Timmins |
| Halifax Halifaxien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Halifax–Yarmouth |
| Halifax Halifaxien(sis) | Diocese | Now Metropolitan Archdiocese of Halifax–Yarmouth |
| Harbour Grace Portus Gratiæ | Diocese | Now Diocese of Grand Falls |
| Harbour Grace–Grand Falls Portus Gratiæ–Grandfallen(sis) | Diocese | Now Diocese of Grand Falls |
| Hauterive Altaripen(sis) | Diocese | Now Diocese of Baie-Comeau |
| Hearst Hearsten(sis) | Diocese | Now Diocese of Hearst–Moosonee |
| Hull Hullen(sis) | Diocese | Now Metropolitan Archdiocese of Gatineau |
| Keewatin Keevatinen(sis) | Apostolic Vicariate | Now Metropolitan Archdiocese of Keewatin–Le Pas |
| Keewatin Keevatinen(sis) | Apostolic Vicariate | Now Metropolitan Archdiocese of Keewatin–Le Pas |
| Keewatin Keevatinen(sis) | Apostolic Vicariate | Now Metropolitan Archdiocese of Keewatin–Le Pas |
| Kingston Kingstonien(sis) / Regiopolitan(us) | Diocese | Now Metropolitan Archdiocese of Kingston |
| Kingston Kingstonien(sis) / Regiopolitan(us) | Diocese | Now Metropolitan Archdiocese of Kingston |
| Labrador Labradoren(sis) | Apostolic Vicariate | Suppressed into Diocese of Amos, Diocese of Baie-Comeau, Diocese of Corner Brook and Labrador |
| Labrador City–Schefferville Labradorpolitan(us)–Scheffervillen(sis) | Diocese | Suppressed into Diocese of Amos, Diocese of Baie-Comeau, Diocese of Corner Brook and Labrador |
| Labrador–Schefferville Labradoren(sis)–Schefferpolitan(us) | Diocese | Suppressed into Diocese of Amos, Diocese of Baie-Comeau, Diocese of Corner Brook and Labrador |
| London Londonen(sis) | Diocese | Now Diocese of London |
| Mackenzie Mackenzien(sis) | Apostolic Vicariate | Now Diocese of Mackenzie–Fort Smith |
| Mackenzie Mackenzien(sis) | Apostolic Vicariate | Now Diocese of Mackenzie–Fort Smith |
| Manitoba (Ukrainian Rite) | Apostolic Exarchate | Now Metropolitan Archdiocese of Winnipeg |
| Mont-Laurier Montis Laurei | Diocese | Suppressed into Metropolitan Archdiocese of Gatineau, Diocese of Saint-Jérôme–Mont-Laurier |
| Montréal Marianopolitan(us) | Diocese | Now Metropolitan Archdiocese of Montréal |
| Moosonee Musonitan(us) | Diocese | Suppressed into Diocese of Hearst–Moosonee |
| Moosonee Musonitan(us) | Diocese | Suppressed into Diocese of Hearst–Moosonee |
| New Westminster Neo-Vestmonasterien(sis) | Diocese | Now Metropolitan Archdiocese of Vancouver |
| Newfoundland | Diocese | Now Metropolitan Archdiocese of Saint John’s, Newfoundland |
| Newfoundland | Apostolic Vicariate | Now Metropolitan Archdiocese of Saint John’s, Newfoundland |
| Newfoundland | Apostolic Prefecture | Now Metropolitan Archdiocese of Saint John’s, Newfoundland |
| North Pole | Apostolic Prefecture | Suppressed into Diocese of Aberdeen, Metropolitan Archdiocese of Grouard–McLennan, Diocese of København, Metropolitan Archdiocese of Rimouski, Metropolitan Archdiocese of Saint-Boniface, Diocese of Stockholm |
| North Pole Poli Arctici | Apostolic Prefecture | Suppressed into Diocese of Aberdeen, Metropolitan Archdiocese of Grouard–McLennan, Diocese of København, Metropolitan Archdiocese of Rimouski, Metropolitan Archdiocese of Saint-Boniface, Diocese of Stockholm |
| North West / Nord-Ouest | Diocese | Now Metropolitan Archdiocese of Saint-Boniface |
| North West / Nord-Ouest | Apostolic Vicariate | Now Metropolitan Archdiocese of Saint-Boniface |
| Northern Canada | Apostolic Vicariate | Now Diocese of Peterborough |
| Northern Ontario / Ontario-Nord de Ontario Septentrionalis | Apostolic Vicariate | Now Diocese of Hearst–Moosonee |
| Northern Ontario / Ontario-Nord de Ontario Septentrionalis | Apostolic Prefecture | Now Diocese of Hearst–Moosonee |
| Nouvelle-France / New France | Apostolic Vicariate | Now Metropolitan Archdiocese of Québec |
| Nova Scotia | Apostolic Vicariate | Now Metropolitan Archdiocese of Halifax–Yarmouth |
| Ottawa Ottavien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Ottawa–Cornwall |
| Ottawa Ottavien(sis) | Diocese | Now Metropolitan Archdiocese of Ottawa–Cornwall |
| Our Lady of Nareg in New York (Armenian Rite) Dominæ Nostræ Naregen(sis) | Diocese | Now Diocese of Our Lady of Nareg in Glendale |
| Placentia Placentia | Apostolic Prefecture | Suppressed into Diocese of Corner Brook and Labrador, Metropolitan Archdiocese of Saint John’s, Newfoundland |
| Pontiac Pontiacen(sis) | Apostolic Vicariate | Now Diocese of Pembroke |
| Prince Albert Principis Alberten(sis) | Diocese | Now Diocese of Prince Albert |
| Prince Albert–Saskatoon Principis Alberten(sis) et Saskatoonen(sis) | Diocese | Now Diocese of Prince Albert |
| Prince Rupert de Prince Rupert | Apostolic Vicariate | Now Diocese of Prince George |
| Québec / Quebec City Quebecen(sis) | Archdiocese | Now Metropolitan Archdiocese of Québec |
| Québec / Quebec City Quebecen(sis) | Archdiocese | Now Metropolitan Archdiocese of Québec |
| Québec / Quebec City Quebecen(sis) | Archdiocese | Now Metropolitan Archdiocese of Québec |
| Québec / Quebec City Quebecen(sis) | Diocese | Now Metropolitan Archdiocese of Québec |
| Québec / Quebec City Quebecen(sis) | Diocese | Now Metropolitan Archdiocese of Québec |
| Québec / Quebec City Quebecen(sis) | Diocese | Now Metropolitan Archdiocese of Québec |
| Regina Reginaten(sis) | Diocese | Now Metropolitan Archdiocese of Regina |
| Saint Albert Sancti Alberti | Diocese | Now Metropolitan Archdiocese of Edmonton |
| Saint Albert Sancti Alberti | Diocese | Now Metropolitan Archdiocese of Edmonton |
| Saint-Boniface Sancti Bonifacii | Diocese | Now Metropolitan Archdiocese of Saint-Boniface |
| Saint George’s Sancti Georgii Terræ Novæ | Diocese | Now Diocese of Corner Brook and Labrador |
| Saint-Germain de Rimouski Sancti Germani | Diocese | Now Metropolitan Archdiocese of Rimouski |
| Saint-Jean-de-Québec Sancti Ioannis Quebecen(sis) | Diocese | Now Diocese of Saint-Jean–Longueuil |
| Saint-Jérôme Sancti Hieronymi Terræbonæ | Diocese | Now Diocese of Saint-Jérôme–Mont-Laurier |
| Saint John in America Sancti Ioannis | Diocese | Now Diocese of Saint John, New Brunswick |
| Saint John in America Sancti Ioannis | Diocese | Now Diocese of Saint John, New Brunswick |
| Saint John’s, Newfoundland Sancti Ioannis Terræ Novæ | Diocese | Now Metropolitan Archdiocese of Saint John’s, Newfoundland |
| Saint Peter–Muenster Sancti Petri apud Muenster | Territorial Abbacy | Suppressed into Diocese of Saskatoon |
| Saints Cyril and Methodius of Toronto (Slovak Rite) Sanctorum Cyrilli et Methodii Torontini Sloavachorum ritus Byzantini | Diocese | Suppressed into |
| Sandwich Sandvicen(sis) | Diocese | Now Diocese of London |
| Saskatchewan Saskatchevanen(sis) | Apostolic Vicariate | Now Diocese of Prince Albert |
| Saskatoon (Ukrainian Rite) Saskatoonen(sis) Ucrainorum | Apostolic Exarchate | Now Diocese of Saskatoon |
| Sherbrooke Sherbrooken(sis) | Diocese | Now Metropolitan Archdiocese of Sherbrooke |
| Temiskaming / Temiskamingue de Temiskamingue | Apostolic Vicariate | Now Diocese of Timmins |
| Toronto Torontin(us) | Diocese | Now Metropolitan Archdiocese of Toronto |
| Toronto (Ukrainian Rite) Torontin(us) Ucrainorum | Apostolic Exarchate | Now Diocese of Toronto |
| United States of America (Romanian Rite) | Apostolic Exarchate | Now Diocese of Saint George’s in Canton |
| United States of America (Syro-Malankara Rite) Fœderatarum Civitatum Americæ Septentrionalis | Apostolic Exarchate | Now Diocese of Saint Mary, Queen of Peace, of the United States of America and Canada |
| United States of America and Canada (Armenian Rite) Feoderatarum Civitatum Americæ Septemtrionalis et Canada | Apostolic Exarchate | Now Diocese of Our Lady of Nareg in Glendale |
| Upper Canada | Apostolic Vicariate | Now Metropolitan Archdiocese of Kingston |
| Vancouver Island Vancuverien(sis)–Is. Omonima | Metr. Archdiocese | Now Diocese of Victoria |
| Vancouver Island Vancuverien(sis)–Is. Omonima | Diocese | Now Diocese of Victoria |
| Vancouver Island Vancuverien(sis)–Is. Omonima | Diocese | Now Diocese of Victoria |
| Victoria Victorien(sis) in Insula Vancouver | Metr. Archdiocese | Now Diocese of Victoria |
| Western Canada (Ukrainian Rite) | Apostolic Exarchate | Now Diocese of Edmonton |
| Western Newfoundland | Apostolic Vicariate | Now Diocese of Corner Brook and Labrador |
| Western Newfoundland | Apostolic Prefecture | Now Diocese of Corner Brook and Labrador |
| Whitehorse Equialben(sis) / Vhitehorsen(sis) | Apostolic Vicariate | Now Diocese of Whitehorse |
| Yarmouth Yarmuthen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Halifax–Yarmouth |
| Yukon Yuconen(sis) | Apostolic Prefecture | Now Diocese of Prince George |
| Yukon–Prince Rupert Yuconen(sis) et Principis Ruberti | Apostolic Vicariate | Now Diocese of Prince George |
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