| Regimental number | 34126 |
| Place of birth | Bull's Rangitikei |
| Occupation | Farmer |
| Next of kin | Sister, Mrs H Pigeon, Habasow, Queenstown, Ireland |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 21st Reinforcements, F Company |
| Embarkation details | Unit embarked from Wellington on board Waitemata on |
| Final rank | Lance Corporal |
| Final unit | 2nd Battalion, Canterbury Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 23 |
| Place of burial | Grevillers British Cemetery (Plot XII, Row A, Grave No 10), nr Bapaume, France |
| Miscellaneous information from cemetery records | Parents: James and Mary O'Brien, Kelvin Grove, Palmerston North |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 52, p. 21 |