| Regimental number | 369 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 2 Somerset Street, St Kilda, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Father, Michael O'Brien, Hobson Street, Sandringham, Victoria |
| Enlistment date | 16 March 1916 |
| Rank on enlistment | Private |
| Unit name | 37th Battalion, A Company |
| AWM Embarkation Roll number | 23/54/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on 3 June 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Battalion |
| Fate | Returned to Australia 8 April 1917 |
