;
Bishops of Arichat •
William Fraser [Frazer] (1844-1851), previously titular
Bishop of Tanis (1825.06.03 – 1842.02.15),
Apostolic Vicar of
Nova Scotia (Canada) (1825.06.03 – 1842.02.15), Bishop of
Diocese of Halifax (Canada) (1842.02.15 – 1844.09.27) •
Colin Francis MacKinnon (1851-1877), later
Titular Archbishop of
Amida (1877.08.30 – 1879.09.26) •
John Cameron (1877.07.17 – 1886.08.23
see below), previously Titular Bishop of
Titopolis (1870.03.11 – 1877.07.17) and
Coadjutor Bishop of Arichat (Canada) (1870.03.11 – 1877.07.17) ;
Bishops of Antigonish • John Cameron (
see above) (1886.08.23 – 1910.04.06) •
James Morrison (1912–1950), created
Archbishop ad personam (1944.02.26 – 1950.04.13) •
John Roderick MacDonald (1950–1959), previously Bishop of
Peterborough (Canada) (1943.06.05 – 1945.04.14), Titular Bishop of
Ancusa (1945.04.14 – 1950.04.13),
Coadjutor Bishop of Antigonish (Canada) (1945.04.14 – 1950.04.13) •
William Edward Power (1960–1986), also President of the Canadian Conference of Catholic Bishops (1971 – 1973) •
Colin Campbell (1986–2002) •
Raymond Lahey (2003–2009), previously Bishop of
Saint George's (Canada) (1986.07.05 – 2003.04.05);
later Lay state (May 2012) •
Apostolic Administrator Anthony Mancini - (2009 - 2010), while Metropolitan Archbishop of
Halifax(-Yarmouth) (Canada) (2007.10.18 – 2009.10.22) •
Brian Dunn (2010–2019), previously Titular Bishop of
Munatiana and
Auxiliary Bishop of
Sault Sainte Marie (Canada) (2008.07.16 – 2009.11.21);
appointed, 13 Apr 2019, Coadjutor Archbishop of Halifax-Yarmouth, Nova Scotia •
Wayne Joseph Kirkpatrick (2019 – present), previously Titular Bishop of Aradi and Auxiliary Bishop of Toronto (2012.05.18 - 2019.12.18) ;
Other priests of this diocese who became bishops •
Thomas Sears, appointed Prefect of Western Newfoundland (St. George’s) in 1871 •
Neil McNeil, appointed Vicar Apostolic of Western Newfoundland (St. George’s) in 1895 •
Ronald MacDonald, appointed Bishop of Harbour Grace, Newfoundland in 1881 •
Alexander MacDonald, appointed Bishop of Victoria, British Columbia in 1908 •
John Hugh MacDonald, appointed Bishop of Victoria, British Columbia in 1934 •
Malcolm Angus MacEachern, appointed Bishop of Charlottetown, Prince Edward Island in 1954 •
Joseph Neil MacNeil, appointed Bishop of Saint John, New Brunswick in 1969 ==In
Canadian literature==