Background
Mcmahon, Thomas J. was born on April 5, 1909 in Tuxedo Park, New York, United States. Son of James and Elizabeth (Brennan) Mcmahon.
Mcmahon, Thomas J. was born on April 5, 1909 in Tuxedo Park, New York, United States. Son of James and Elizabeth (Brennan) Mcmahon.
Student Cathedral College, New York, 1928.
Director, Catholic Near East Welfare Association, 1943, national. Moderator, Morgan Fraternity President Pontificial Mission for Palestine, since 1949.
Review Monsignor, 1948.
Editor of publications
Member executive council, American Catholic History Society, 1941-1942. Spiritual director Saint Paul’s Guild, 1948-1951. Member American History Association, American Catholic History Association, Medieval Academy of America, American Society of Church History, United States Catholic History Society, Fordham Conference on Eastern Rites, Knights of Columbus.