| Regimental number | 1966 |
| Place of birth | Warrnambool Victoria |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Liebirg Street, Warrnambool, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, J J O'Malley, Liebirg Warrnambool, Victoria |
| Enlistment date | 21 June 1915 |
| Date of enlistment from Nominal Roll | 19 June 1915 |
| Rank on enlistment | Private |
| Unit name | 24th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/41/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A68 Anchises on 26 August 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 24th Battalion |
| Fate | Returned to Australia 8 September 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Charles Ray O'Malley on NR |
