MacManaway married Sarah Thompson from County Kilkenny with whom he had sons Lancelot, Richard and James Godfrey and Daughter Mary.
His son, James Godfrey MacManaway, was also a Church of Ireland clergyman and became a politician.[6]
^"The Clergy List, Clerical Guide and Ecclesiastical Directory" London, Hamilton & Co 1889
^"Clogher clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Clogher, from the earliest period, with historical notices of the several parishes, churches, etc" Leslie, J.B. p 28: Enniskille; R. H. Ritchie; 1929
^Judicial Committee Of The Privy Council Clergyman's Right To Sit In House Of Commons, In The Matter Of The Rev. J. G. Macmanaway. The Times Wednesday, 26 July 1950; pg. 4; Issue 51753; col F