St. Mary Cathedral is a prominent Roman Catholic cathedral located in San Francisco, California. It serves as the mother church of the Archdiocese of San Francisco and is known for its stunning modern architecture, designed by architect Pietro Belluschi. The cathedral was consecrated in 1971 and features beautiful stained glass windows and a striking bell tower. The interior of St. Mary Cathedral is spacious and inviting, with a seating capacity of about 1,000 people. It hosts various religious services, including Mass and special events, and is a significant landmark in the city. The cathedral also emphasizes inclusivity and community engagement through various outreach programs.