Marjorie A. Sinnott (born 1940)Sinnott family✓Confirmed how we know thisVitalsBorn1940✓Confirmed how we know thisFamilyFatherLeo Sinnott (1897 to 1998)MotherAlice C. Sinnott (born O'Brien) (1907 to 1991)Sources1950, ED 68-4, p.120, line 5View Marjorie A. Sinnott's family tree · See this person in the family network · Find how you are related