Mary A. Hefferon (born 1932)Hefferon family✓Confirmed how we know thisVitalsBorn1932✓Confirmed how we know thisFamilyFatherWilliam A. Hefferon (born 1897)MotherMary Margaret Heffron (born Judge) (1905 to 1995)Sources1950, ED 68-4, p.50, line 15View Mary A. Hefferon's family tree · See this person in the family network · Find how you are related