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Peter Joseph O’Callaghan


Peter Joseph O’Callaghan, American clergyman. member Permanent Committee of Internat.


O’Callaghan, Peter Joseph was born on August 6, 1866 in Milford, Massachusetts, United States. Son of Peter and Margaret (O’Sullivan) O’C.


Bachelor of Arts, Harvard, 1888. Theological studies St. Thomas College, Catholic University of America. Doctor of Divinity, St. Mary’s Seminary, 1919.


Ordained R.C. priest, 1893. Assistant at Church of St. Paul the Apostle, New York, 1893-1895. Preacher of missions, 8 years, 1895-1903 (except 1 year as novice master of Paulist Community, St. Thomas College, Catholic U., 1898-1899).

Treasurer St. Mary’s Church, 1903-1904. Pastor St. Mary’s Church, and superior of the Paulist Fathers, Chicago, July 1904-August 1915. Rector Apostolic Mission House, Catholic U., Washington, and editor The Missionary Magazine, 1915-1921.

Founder and president Catholic Home Mission Society Founder of Community of Dominican Sisters of Sick Poor. Director United Committee on War Temperance Activities in the Army and Navy. President Catholic Total Abstinence Union of America, 1909-1916, reëlected August 1924.

Vice chairman Citizens Committee of 1,000. Vice president William Jennings Bryan Memorial Association. Vice president National Temperance Council.

United States delegate to International Anti-Alcohol Congress at The Hague, 1911, Milan.1913, Copenhagen, 1923. Member Permanent Committee of International Congress Against Alcoholism.


Member Permanent Committee of Internat.


Peter O’C.

Margaret (O’Sullivan) O’C.