Diocese of Saint John, New Brunswick

Diocese of Saint John in New Brunswick

*Dioecesis Sancti Ioannis Canadensis*

*Diocèse de Saint-Jean au Nouveau-Brunswick*
Diocese of Saint John in New Brunswick; Dioecesis Sancti Ioannis Canadensis; Diocèse de Saint-Jean au Nouveau-Brunswick
catholic
	Cathedral of the Immaculate Conception
	Coat of arms
Location
Country	Canada
Ecclesiastical province	Moncton
Headquarters	Saint John, New Brunswick
Coordinates	45°16′48″N66°03′25″W / 45.28000550°N 66.05683120°W
Statistics
Area	60,000 km2 (23,000 sq mi)
Population Total; Catholics;	(as of 2020); 331,800; 132,600 (40.0%);
Parishes	58
Information
Denomination	Roman Catholic
Rite	Roman Rite
Established	September 30, 1842;182 years ago
Cathedral	Cathedral of the Immaculate Conception
Patron saints	Our Lady of the Immaculate Conception,; Saint Patrick
Secular priests	60
Current leadership
Pope	Leo XIV
Bishop	Christian Riesbeck
Bishops emeritus	Robert Harris
Website
	www.dioceseofsaintjohn.org

Last updated August 25, 2025

The Roman Catholic Diocese of Saint John, New Brunswick (Latin : Dioecesis Sancti Ioannis Canadensis) (erected 30 September 1842, as the Diocese of Saint John in America) is a suffragan of the Archdiocese of Moncton. It was renamed on 15 November 1924.

Bishops

Ordinaries

William Dollard (1842–1851)
Thomas Louis Connolly, O.F.M.Cap. (1852–1859), appointed Archbishop of Halifax, Nova Scotia
John Sweeny (1859–1901)
Timothy Casey (1901–1912), appointed Archbishop of Vancouver, British Columbia
Edward Alfred Le Blanc (1912–1935)
Patrick Albert Bray, C.I.M. (1936–1953)
Alfred Bertram Leverman (1953–1968)
Joseph Neil MacNeil (1969–1973), appointed Archbishop of Edmonton, Alberta
Arthur Joseph Gilbert (1974–1986)
Joseph Edward Troy (1986–1997)
Joseph Faber MacDonald, C.S.C. (1998–2006)
Martin William Currie (2006–2007)
Robert Harris (2007–2019)
Christian Riesbeck, CC (2019-)

Coadjutor bishops

Timothy Casey (1899–1901)
Joseph Edward Troy (1984–1986)

Other priest of this diocese who became bishop

William Mark Duke, appointed Coadjutor Archbishop of Vancouver, British Columbia in 1928

Territorial losses

Year	Along with	To form
1860		Diocese of Chatham
1936	Diocese of Chatham	Archdiocese of Moncton

References

↑ "Diocese of Saint John, New Brunswick". Catholic-Hierarchy.org . Retrieved 15 January 2022.
↑ "Diocese of Saint John, New Brunswick, Canada". GCatholic.org. Retrieved 15 January 2022.

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[1] "Diocese of Saint John, New Brunswick". Catholic-Hierarchy.org . Retrieved 15 January 2022.

[2] "Diocese of Saint John, New Brunswick, Canada". GCatholic.org. Retrieved 15 January 2022.

[1]

[2]

v t e Hierarchy of the Catholic Church in Canada
Province of Edmonton	Archdiocese of Edmonton Diocese of Calgary Diocese of Saint Paul in Alberta
Province of Gatineau	Archdiocese of Gatineau Diocese of Amos Diocese of Rouyn-Noranda
Province of Grouard–McLennan	Archdiocese of Grouard–McLennan Diocese of Mackenzie–Fort Smith Diocese of Whitehorse
Province of Halifax–Yarmouth	Archdiocese of Halifax–Yarmouth Diocese of Antigonish Diocese of Charlottetown
Province of Keewatin–Le Pas	Archdiocese of Keewatin–Le Pas Diocese of Churchill–Hudson Bay
Province of Kingston	Archdiocese of Kingston Diocese of Peterborough Diocese of Sault Sainte Marie
Province of Moncton	Archdiocese of Moncton Diocese of Bathurst in Canada Diocese of Edmundston Diocese of Saint John, New Brunswick
Province of Montreal	Archdiocese of Montreal Diocese of Joliette Diocese of Saint-Jean–Longueuil Diocese of Saint-Jérôme–Mont-Laurier Diocese of Valleyfield
Province of Ottawa–Cornwall	Archdiocese of Ottawa–Cornwall Diocese of Hearst–Moosonee Diocese of Pembroke Diocese of Timmins
Province of Québec	Archdiocese of Québec Diocese of Chicoutimi Diocese of Sainte-Anne-de-la-Pocatière Diocese of Trois-Rivières
Province of Regina	Archdiocese of Regina Diocese of Prince Albert Diocese of Saskatoon
Province of Rimouski	Archdiocese of Rimouski Diocese of Baie-Comeau Diocese of Gaspé
Province of Saint Boniface	Archdiocese of Saint Boniface
Province of St. John's	Archdiocese of St. John's, Newfoundland Diocese of Corner Brook and Labrador Diocese of Grand Falls
Province of Sherbrooke	Archdiocese of Sherbrooke Diocese of Nicolet Diocese of Saint-Hyacinthe
Province of Toronto	Archdiocese of Toronto Diocese of Hamilton Diocese of London Diocese of Saint Catharines Diocese of Thunder Bay
Province of Vancouver	Archdiocese of Vancouver Diocese of Kamloops Diocese of Nelson Diocese of Prince George Diocese of Victoria
Metropolia of Winnipeg	Archeparchy of Winnipeg Eparchy of Edmonton Eparchy of New Westminster Eparchy of Saskatoon Eparchy of Toronto and Eastern Canada
Exempt dioceses (directly subject to the Holy See)	Archdiocese of Winnipeg Military Ordinariate of Canada Chaldean Catholic Eparchy of Mar Addai of Toronto Exarchate of Saints Cyril and Methodius of Toronto Maronite Catholic Eparchy of Saint Maron of Montreal Melkite Greek Catholic Eparchy of Saint-Sauveur of Montréal Syriac Catholic Apostolic Exarchate of Canada Syro-Malabar Catholic Eparchy of Mississauga
Former jurisdictions	Apostolic Prefecture of Placentia Diocese of Alexandria–Cornwall Diocese of Gravelbourg Diocese of Harbour Grace Diocese of Labrador City–Schefferville Diocese of Mont-Laurier Diocese of Moosonee Diocese of Saint George's Diocese of Yarmouth Territorial Abbacy of Saint Peter–Muenster
Apostolic Nuncio	Ivan Jurkovič
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