Margaret A O'Brien (born 1949)O'Brien family✓Confirmed how we know thisVitalsBorn1949✓Confirmed how we know thisFamilyFatherThomas Edward O'Brien (1917 to 1996)MotherBernice O'Brien (born Golden) (1923 to 1992)Sources1950, ED 68-21, p.121, line 4View Margaret A O'Brien's family tree · See this person in the family network · Find how you are related