| Regimental number | 1369 |
| Religion | Roman Catholic |
| Occupation | Station overseer |
| Address | Frogmore, New South Wales |
| Marital status | Single |
| Age at embarkation | 35 |
| Next of kin | Father, Thomas George O'Neil, Graham, Frogmore, New South Wales |
| Enlistment date | 21 September 1915 |
| Date of enlistment from Nominal Roll | 27 September 1915 |
| Rank on enlistment | TPR |
| Unit name | Australian Remount Unit 2, Squadron 5 |
| AWM Embarkation Roll number | 28/3/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A67 Orsova on 10 November 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 2nd Remount Unit |
| Fate | Returned to Australia 26 July 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Thomas George O'Neill onNR |