John Callahan (born 1932)Callahan family✓Confirmed how we know thisVitalsBorn1932✓Confirmed how we know thisFamilyFatherWilliam Robert Callahan (1881 to 1958)MotherFrances Callahan (born 1900)Sources1940, ED 68-5, p.62, line 11View John Callahan's family tree · See this person in the family network · Find how you are related