Mission San Xavier del Bac is a historic Spanish Catholic mission located about 10 miles (16 km) south of downtown Tucson, Arizona, on the Tohono O'odham San Xavier Indian Reservation. It was founded in 1692 by Padre Eusebio Kino and named for a pioneering Christian missionary and co-founder of the Society of Jesus (Jesuit Order), Francis Xavier. In 1700 construction began on a church at a site nearby the current Mission.