| Regimental number | 8/943 |
| Address | 224 Lichfield Street, Christchurch |
| Marital status | Single |
| Next of kin | Mother, Mrs M O'Brien, 224 Lichfield Street, Christchurch |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Otago Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on |
| Members of the Otago Infantry Battalion, Main Body, left Wellington on 16 October 1914 on two ships, HMNZT 9 'Hawke's Bay' and HMNZT 5 'Ruapehu'. From the Nominal Roll it is not possible to determine on which ship an individual embarked. | |
| Final rank | Corporal |
| Final unit | 1st Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Place of burial | Cite Bonjean Military Cemetery (Plot I, Row D, Grave No 46), Armentieres, France |
| Miscellaneous information from cemetery records | Parents: Mr & Mrs Robert O'Brien, 224 Litchfield Street, Christchurch |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Otago Infantry Batln/Main Body |