Tags: Clerical Administrative Region, Diocese.
The Roman Catholic Diocese of Hearst (Latin: Dioecesis Hearstensis) (erected 18 April 1919 as the Prefecture Apostolic of Northern Ontario) is a suffragan of the Archdiocese of Ottawa. It was elevated to an apostolic vicariate on 17 November 1920 and further as the Diocese of Hearst on 3 December 1938.