Cathedral of Our Lady of Perpetual Help

The Cathedral of Our Lady of Perpetual Help is the cathedral church of the Catholic Church located in Rapid City, South Dakota, United States. It serves as the third mother church of the Diocese of Rapid City. The Diocese of Rapid City was founded as the Diocese of Lead in 1902. St. Patrick's Church in Lead served as the diocese's first cathedral. The See city was transferred to Rapid City in 1930 and St. Mary's Church downtown was renamed the Cathedral of the Immaculate Conception at that time. The parish started to outgrow the cathedral church and Mass was held in the school gymnasium. Bishop William T. McCarty, C.Ss.R. initiated the process to build a new cathedral. The cathedral rector, Msgr. Michael Roach, oversaw the construction of the new church on land donated on the outskirts of Rapid City by Katherine Wapole in memory of her husband William.