| Regimental number | 2513 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Tenth Street, Mildura, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Thomas O'Brien, Tenth Street, Mildura, Victoria |
| Enlistment date | 7 December 1914 |
| Date of enlistment from Nominal Roll | 23 March 1915 |
| Rank on enlistment | Private |
| Unit name | 60th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/77/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A9 Shropshire on 25 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Returned to Australia 25 September 1919 |
