Saint Boniface (sānt bŏnˈĭfās) [key], former city and historic community, SE Man., Canada, on the Red River opposite Winnipeg. It is now part of Winnipeg. It is an industrial center, with large stockyards and meatpacking plants, oil refineries, flour mills, and breweries. St. Boniface was founded in 1818 as a Roman Catholic mission. Many of the inhabitants are French-speaking. A Roman Catholic cathedral is there, as is St. Boniface College, affiliated with the Univ. of Manitoba.