| Regimental number | 6290 |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | 6 Rockwell Crescent, Potts Point, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Mother, Mrs E 0 Neill, 6 Rockwell Crescent, Pott's Point, New South Wales |
| Enlistment date | 26 April 1916 |
| Rank on enlistment | Private |
| Unit name | 1st Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/18/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on 9 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Battalion |
| Fate | Returned to Australia 20 November 1918 |
| Miscellaneous details (Nominal Roll) | *Spelt Garnet Lindsay O'Neill on NR |
