| Regimental number | 23421 |
| Occupation | Driver |
| Next of kin | Brother, Ben O'Hara, Pedisons Stables Whangarei |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Rifle Brigade, 7th Reinforcements to 1st Battalion, E Company |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Rifleman |
| Final unit | 3rd Battalion, New Zealand Rifle Brigade |
| Fate | Died of wounds |
| Place of burial | Trois Arbres Cemetery (Plot I, Row W, Grave No 21), Steenwerke, France |
| Miscellaneous information from cemetery records | Brother: Patrick O'Hara, Hamilton |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 33, p. 28 |