The St. Francis Xavier Cathedral (also known as the Basilica of St. Francis Xavier, or simply "The Old Cathedral") is a Roman Catholic church in Vincennes, Indiana. The basilica is named for Francis Xavier, a 16th-century Jesuit apostle, and is located opposite George Rogers Clark National Historical Park, at 205 Church Street. Jesuit missionaries established St. Francis Xavier parish around 1734, making it the oldest Catholic parish in Indiana. Its earliest parish records date from 1749. The present Greek Revival-style basilica, built on or near the site of two earlier Catholic churches, dates from 1826. St. Francis Xavier has ties to six Roman Catholic dioceses in North America: the Diocese of Quebec, Canada, the Diocese of Baltimore, Maryland, the Diocese of Bardstown, Kentucky, the Dio