Mary L Barry (born 1910)Barry family✓Confirmed how we know thisVitalsBorn1910✓Confirmed how we know thisFamilyFatherWilliam P. Derry (born 1880)MotherMary Derry (born 1884)Sources1910, ED 98, p.77, line 111930, ED 68-6, p.67, line 89View Mary L Barry's family tree · See this person in the family network · Find how you are related