John Ireland was an American religious leader who was the third Roman Catholic bishop and first Roman Catholic archbishop of Saint Paul, Minnesota (1888–1918). He became both a religious as well as civic leader in Saint Paul during the turn of the 20th century. Ireland was known for his progressive stance on education, immigration and relations between church and state, as well as his opposition to saloons and political corruption. He promoted the Americanization of Catholicism, especially in the furtherance of progressive social ideals. He was a leader of the modernizing element in the Roman Catholic Church during the Progressive Era. He created or helped to create many religious and educational institutions in Minnesota.

The Archdiocese of Saint Paul and Minneapolis is a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church in the United States. It is led by an archbishop who administers the archdiocese from the cities of Saint Paul and Minneapolis. The archbishop has both a cathedral and co-cathedral: the mother church – the Cathedral of Saint Paul in Saint Paul, and the co-cathedral, the Basilica of Saint Mary in Minneapolis.