| 30/12/2015 |
Private David O'Hara has no known grave and is commemorated on the Arras Memorial in France. |
| 30/12/2015 |
The Presbyterian Church In Ireland - Roll of Honour 1914-1919 (Dungannon, 2nd Presbyterian) lists a David O'Hara from Killyquinn who was killed in action. |
| 30/12/2015 |
Private David O'Hara was serving with the 7th Battalion of the Royal Inniskilling Fusiliers when he was killed I action in France and Flanders on Tuesday 9th October 1917. |
| 30/12/2015 |
David O'Hara enlisted in Belfast whilst he was living in Lisburn. |
| 30/12/2015 |
David O'Hara was born in Newry, County Down. |
