| Regimental number | 35675 |
| Occupation | Mechanic |
| Next of kin | Father, John O'Hara, Morven South Canterbury |
| Rank on embarkation | Gunner |
| Unit name | New Zealand Expeditionary Force, 23rd Reinforcements, New Zealand Field Artillery |
| Embarkation details | Unit embarked from Wellington on board HMNZT Corinthic on |
| Sources | Nominal Roll Vol. 3: Roll 57, p. 23 |