Roman Catholic Diocese of Valleyfield
The Roman Catholic Diocese of Valleyfield () is a Catholic diocese in Quebec and a suffragan of the Archdiocese of Montreal. It was erected in 1892. The diocese, which is based in the western suburbs of Montreal, features approximately 201,000 baptized Catholics. Parishioners are served by 48 priests, 17 deacons, 31 religious brothers, and 76 religious sisters. In 2008, the diocese consolidated its 63 parishes into 24.