| Regimental number | 5428 |
| Place of birth | Condobolin New South Wales |
| Religion | Methodist |
| Occupation | Clerk |
| Address | Indie, 144 Dalhousie Street, Haberfield, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Mr J O'Brien, 144 Dalhousie Street, Haberfield, New South Wales |
| Enlistment date | 4 January 1916 |
| Rank on enlistment | Private |
| Unit name | 4th Battalion, 17th Reinforcement |
| AWM Embarkation Roll number | 23/21/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 14 April 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 56th Battalion |
| Fate | Returned to Australia 27 July 1917 |