1837-1946Origination : Catholic Church. Diocese of Pittsburgh (Pa.)
Diocese of Pittsburgh Collection (DPA), University of Notre Dame Archives (UNDA), Notre Dame, IN 46556
Miscellaneous correspondence of bishops Michael O'Connor, Michael Domenec, John Tuigg, and other letters associated with the territory of the diocese; biographical information, newspaper clippings, and printed ephemera.
Roman Catholic Diocese in Western Pennsylvania. Michael O'Connor served as the first bishop (1843-1860), with Joshua M. Young serving briefly as bishop in 1853. Michael Domenec served as bishop (1860-1876), followed by John Tuigg (1876-1889), Richard Phelan (1889-1904), J.F. Regis Canevin (1904-1921), and Hugh C. Boyle (1921-1950). In 1876 a See of Allegheny was created, but it did not flourish and was reunited with Pittsburgh in 1877.