Cretin Hall is one of the male undergraduate residence halls at the University of St. Thomas in Saint Paul, Minnesota. It resides on the South Campus, which is just south of the historical Summit Avenue. Cretin was originally constructed as the South Student Residence Building for the Saint Paul Seminary in 1894. It was designed by famous architect Cass Gilbert, who also designed Cretin's two sister buildings, Loras Hall and Grace Hall. In 1987 Cretin was acquired by St.