| Regimental number | 29846 |
| Occupation | Labourer |
| Next of kin | Mother, Mrs A O'Brien, 8 Ferguson Street, Caversham, Dunedin |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 19th Reinforcements, Otago Infantry Battalion, D Company |
| Embarkation details | Unit embarked from Wellington on |
| The Infantry component of the 19th Reinforcements left New Zealand on board two ships, 'Maunganui' and 'Tahiti'. It is not possible from the Nominal Rolls to determine on which ship an individual embarked. | |
| Final rank | Rifleman |
| Final unit | 4th Battalion, New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Age at death from cemetery records | 31 |
| Place of burial | Achiet-Le-Grand Communal Cemetery Extension (Plot III, Row E, Grave No 11), France |
| Miscellaneous information from cemetery records | Parents: Daniel and Mary A. O'Brien, Dunback, Palmerston South |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 45, p. 15 |