Dennis H. Sinnott (born 1912)Sinnott family✓Confirmed how we know thisVitalsBorn1912✓Confirmed how we know thisFamilyFatherAloysius J. Sinnott (born 1878)MotherCatherine M. Sinnott (born 1881)Sources1930, ED 68-5, p.49, line 85View Dennis H. Sinnott's family tree · See this person in the family network · Find how you are related