John Joseph McMahon (September 27, 1875 – December 31, 1932) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Trenton in New Jersey from 1928 until his death in 1932.
John Joseph McMahon (* 27. September 1875 in , New York, USA; † 31. Dezember 1932 in Trenton, New Jersey) war Bischof von Trenton. (de)
John Joseph McMahon (September 27, 1875 – December 31, 1932) was an American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Trenton in New Jersey from 1928 until his death in 1932. (en)