Born: 10 June 1920, Daly’s Terrace, Rathfarnham, Dublin City County Dublin
Entered: 04 October 1937, St Mary's, Emo, County Laois

Left Society of Jesus: 16 June 1948 (from Clongowes Wood College SJ)

Younger brother of Thomas MacMahon - RIP 2009

Father, Thomas, was an Executive Officer in thee Civil Service. Mother, Elizabeth (Hickey).

Youngest of two boys and two girls.

Early education was at a Presentation Convent school Terenure and Beaufort High School Rathfarnham and then at age 9 he went to Synge Street (1923-1933)

Baptised at Church of the Annunciation, Rathfarnham, 12/06/1920
Confirmed at St Kevin’s Church, Harrington Street, by Dr Wall of Dublin, 01/03/1932

1937-1939: St Mary's, Emo, Novitiate
1939-1943: Rathfarnham Castle, Juniorate, UCD
1943-1946: St Stanislaus College, Tullabeg, Philosophy
1946-1948: Clongowes Wood College SJ, Regency

Address 2000: Shangannagh Vale, Shankill, County Dublin