Mary O'Neill (born 1908)O'Neill family✓Confirmed how we know thisVitalsBorn1908✓Confirmed how we know thisFamilyFatherFred B. Johnson (born 1895)MotherMartha Ellen O'Neill (born O'Grady) (1886 to 1939)Sources1930, ED 68-4, p.34, line 36View Mary O'Neill's family tree · See this person in the family network · Find how you are related