| Regimental number | 1263 |
| Place of birth | Armidale New South Wales |
| Religion | Roman Catholic |
| Occupation | Buggy driver |
| Address | Armidale, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Charles O'Neill, "Bethany", Sebastopol Street, Marrickville, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, 9th Reinforcement |
| AWM Embarkation Roll number | 10/6/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 10th Field Artillery Brigade |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 3369 Pte John Patrick O'NEIL, MM, 18th Bn, killed in action, 16 October 1917; 7367 Pte Frank Joseph O'NEILL, 13th Bn, returned to Australia, 6 July 1919; 9957 Gunner William Edward O'NEILL, 1st Field Artillery Brigade, returned to Australia, 20 April 1919. |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
