The Diocese of Sault Ste. Marie is a Roman Catholic diocese that administer parishes in the sourch central part of Ontario, including Thunder Bay, Algoma, Sudbury, and Nipissing districts. It was founded in 1904 from parts of the Diocese of Peterborough, and then lost territory to establish the Diocese of Fort William in 1952. 2017 saw the Diocese lose territory to the Diocese of Thunder Bay.
During the Residential School System, Spanish Residential School operated within diocesan boundaries by the Jesuits. The Jesuits had a long history in the region, but British colonial authorities refused the entry in the colony of new Jesuits in 1773. In 1842, the Jesuits returned to the area and established missions and schools in communities such as Sault Ste. Marie and Fort William. Spanish Residential School was in operation until 1962.
[1800-01-01 - 2015-12-31]