Margaret Sinnott (born 1946)Sinnott family✓Confirmed how we know thisVitalsBorn1946✓Confirmed how we know thisFamilyFatherWilliam Ambrose Sinnott (1908 to 1996)MotherCatherine R. Sinnott (born O'Neill) (1909 to 1991)Sources1950, ED 68-21, p.56, line 27View Margaret Sinnott's family tree · See this person in the family network · Find how you are related