The Roman Catholic Diocese of Pembroke () (erected 11 July 1882, as the Vicariate Apostolic of Pontiac) is a suffragan of the Archdiocese of Ottawa. It was elevated as the Diocese of Pembroke on 4 May 1898. The Cathedral of St. Columbkille in Pembroke is the mother church of the Diocese of Pembroke.

Bishops Ordinaries Narcisse Zéphirin Lorrain (1882–1915) Patrick Thomas Ryan (1916–1937) Charles Leo Nelligan (1937–1945) William Joseph Smith (1945–1971) Joseph Raymond Windle (1971–1993) Brendan Michael O'Brien (1993–2000), appointed Archbishop of Saint John's, Newfoundland Richard William Smith (2002–2007), appointed Archbishop of Edmonton, Alberta Michael Mulhall (2007–2019), appointed Archbishop of Kingston, Ontario Guy Desrochers (2020-2023), appointed Archbishop of Moncton, New Brunswick Michael Brehl (2024 - present)

Coadjutor bishop Joseph Raymond Windle (1969–1971)

Auxiliary bishop Patrick Thomas Ryan (1912–1916), appointed Bishop here

Other priests of this diocese who became bishops Élie Anicet Latulipe, appointed Vicar Apostolic of Temiskaming, Ontario in 1908 Michael Alphonsus Harrington, appointed Bishop of Kamloops, British Columbia in 1952 and died in 1973 James Matthew Wingle, appointed Bishop of Yarmouth, Nova Scotia in 1993

Educational Institutions Renfrew County Catholic District School Board

Cemeteries St. Columba's Cemetery (Pembroke)

Territorial losses Year Along with To form 1908 Vicariate Apostolic of Temiskaming

Bibliography

References

External links

Diocese of Pembroke website St. Columbkille's Cathedral website