| Regimental number | 26658 |
| Place of birth | Middle Park Victoria |
| Religion | Roman Catholic |
| Occupation | Civil servant |
| Address | Middle Park, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, T O'Brien, 46 Canterbury Road, Middle Park, Victoria |
| Enlistment date | 2 February 1916 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 4, Reinforcement 8 |
| AWM Embarkation Roll number | 13/32/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A15 Port Sydney on 7 September 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 10th Field Artillery Brigade |
| Fate | Returned to Australia 11 January 1918 |
| Date of death | 7 June 1975 |
| Place of burial | Templestowe Cemetery |