| Regimental number | 1558 |
| Place of birth | Brisbane Queensland |
| Religion | Roman Catholic |
| Occupation | Farrier |
| Address | Earl Street, Thompson Estate, South Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Father, P. O'Brien, Earl Street, Thompson Estate, South Brisbane, Queensland |
| Enlistment date | 21 July 1915 |
| Date of enlistment from Nominal Roll | 8 July 1915 |
| Rank on enlistment | Private |
| Unit name | 31st Battalion, 1st Reinforcement |
| AWM Embarkation Roll number | 23/48/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A41 Bakara on 5 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 31st Battalion |
| Fate | Returned to Australia 10 December 1918 |