| Regimental number | 3883 |
| Religion | Roman Catholic |
| Occupation | Bootmaker |
| Address | 328 Russell Street, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, D O'Brien, 328 Russell Street, Melbourne, Victoria |
| Enlistment date | 8 July 1915 |
| Rank on enlistment | Private |
| Unit name | 8th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/25/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A40 Ceramic on 23 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 8th Battalion |
| Fate | Returned to Australia 5 April 1919 |
| Date of death | 2 November 1951 |
| Place of burial | Preston Cemetery |