| Regimental number | 6863 |
| Place of birth | Chester England |
| Religion | Church of England |
| Occupation | Insurance Agent |
| Address | 261 Inkerman Street, East St. Kilda, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Francis O'Neill, 261 Inkerman Street, East St. Kilda, Victoria |
| Enlistment date | |
| Rank on enlistment | Sapper |
| Unit name | 2nd Divisional Signal Company, 10th Reinforcement |
| AWM Embarkation Roll number | 22/12/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Returned to Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |