St. Mary's Cathedral (Calgary)

St. Mary's Cathedral, also known as the Cathedral of the Immaculate Conception, is the Roman Catholic cathedral located in Calgary, Alberta, Canada. It serves as the seat of the Bishop of Calgary and the principal church of the Roman Catholic Diocese of Calgary.

The cathedral is situated in the city's Beltline district. The current building, replacing an earlier wooden church, was designed in the Gothic Revival style by architects William Stuart and Brother Joseph Michaud and was completed in 1889. The cornerstone was laid in 1887.

The architecture of St. Mary's Cathedral is characterized by its pointed arches, ribbed vaults, and stained glass windows, typical of Gothic Revival architecture. Key features include its tall spire, which dominates the skyline, and the elaborate interior detailing. The cathedral has undergone several renovations and restorations throughout its history, preserving its architectural integrity while adapting to the changing needs of the congregation.

Beyond its religious function, St. Mary's Cathedral holds historical and cultural significance for Calgary. It is a designated historical resource and a prominent landmark in the city. The cathedral hosts regular masses, sacraments, and other religious ceremonies, as well as community events and musical performances. It is a vital part of the religious and cultural landscape of Calgary.