The Roman Catholic Diocese of Pittsburgh (Latin: Dioecesis Pittsburgensis) is a Roman Catholic diocese. It was established in Western Pennsylvania on August 11 1843. The diocese includes 211 parishes in the counties of Allegheny Beaver Butler Greene Lawrence and Washington an area of 3753 square miles (9720 km2) with a Catholic population of 719801 as of June 2008. The cathedral church of the diocese is the Cathedral of Saint Paul. As of March 2009 the diocese had 280 active priests.
Pennsylvania, Beaver County Pennsylvania, Butler County Pennsylvania, Greene County Pennsylvania, Washington County Pennsylvania, Lawrence County Pennsylvania
