Its proto-cathedral (now Église Notre Dame de l’Assomption) was located on Cape Breton Island, in the port town of Arichat.

Prior to the outbreak of the First World War, the highly influential Antigonish Movement, which combined adult education, co-operatives, microfinance and rural community development to help small, resource-based villages throughout the Maritimes to improve their economic and social circumstances, was largely founded and led by a small group of Diocesan priests: Father James Tompkins, Father Moses Coady, and Fr.

[2] Campbell, along with his American-born musicologist wife, Margaret Fay Shaw, had previously collected much folklore and traditional music from Diocesan Catholics in both Canadian Gaelic and the indigenous Mi'kmaq language, which was recorded onto Ediphone wax cylinders.

[4] On September 26, 2009 Pope Benedict XVI accepted the resignation of Bishop Raymond Lahey, one day after a warrant was issued for his arrest by the Ottawa Police Service relating to child pornography charges (cf.

[6] Archbishop Anthony Mancini of the Archdiocese of Halifax was named the Apostolic Administrator effective September 26, 2009, and remained in that position until the installation of Brian Dunn on January 25, 2010.