| Regimental number | 6/1945 |
| Address | Fairlie, Canterbury |
| Marital status | Single |
| Next of kin | Brother, M J O'Brien, Solicitor, Timaru |
| Rank on embarkation | Private |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 4th Reinforcements, Canterbury Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board HMNZT 21 Willochra on |
| Miscellaneous details | Nominal Roll Vol. 1: Canterbury Infantry Batln/Fourth |