| Regimental number | 512 |
| Place of birth | Brisbane Queensland |
| Religion | Roman Catholic |
| Occupation | Bush worker |
| Address | Barraba, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, W O'Brien, Barraba, New South Wales |
| Enlistment date | 4 January 1916 |
| Rank on enlistment | Private |
| Unit name | 33rd Battalion, B Company |
| AWM Embarkation Roll number | 23/50/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A74 Marathon on 4 May 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Returned to Australia 11 May 1919 |
