Trevel O'Brien (born 1909)O'Brien family✓Confirmed how we know thisVitalsBorn1909✓Confirmed how we know thisFamilyMotherAgnes Catherine O'Brien (born McDonald) (1873 to 1941)Sources1910, ED 109, p.97, line 46View Trevel O'Brien's family tree · See this person in the family network · Find how you are related