Roman Catholic Diocese of Saint John, New Brunswick

Bishops

Ordinaries

• William Dollard
• Thomas Louis Connolly, O.F.M.Cap., appointed Archbishop of Halifax, Nova Scotia
• John Sweeny
• Timothy Casey, appointed Archbishop of Vancouver, British Columbia
• Edward Alfred Le Blanc
• Patrick Albert Bray, C.I.M.
• Alfred Bertram Leverman
• Joseph Neil MacNeil, appointed Archbishop of Edmonton, Alberta
• Arthur Joseph Gilbert
• Joseph Edward Troy
• Joseph Faber MacDonald, C.S.C.
• Martin William Currie
• Robert Harris
• Christian Riesbeck, CC

  Coadjutor bishops

• Timothy Casey
• Joseph Edward Troy

  Other priest of this diocese who became bishop

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

  Territorial losses