On Oct. 21, 1944, Pope Pius XII established the Diocese of Steubenville.
The Diocese of Steubenville is the local Catholic Church in 13 counties of Southeastern Ohio, which include: Athens, Belmont, Carroll, Gallia, Guernsey, Harrison, Jefferson, Lawrence, Meigs, Morgan, Monroe, Noble and Washington. This territory comprises 5,913 square miles. There are 50 parishes and 2 missions. The diocese has 2 high schools, 1 junior high school and 8 elementary schools.
The Diocese of Steubenville has had five bishops since its establishment: Bishop John King Mussio, Bishop Albert H. Ottenweller, Bishop Gilbert I. Sheldon, Bishop R. Daniel Conlon and currently, Bishop Jeffrey M. Monforton.
The Chancery offices, located at 422 Washington St., Steubenville, can be contacted at (740) 282-3631, Monday through Friday, from 9 a.m.-4 p.m. (Holiday hours vary).