| Regimental number | 2400 |
| Place of birth | Croydon Queensland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Famwell Street, Croydon, Queensland |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Mrs Ellen O'Flaherty, Famwell Street, Croydon, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/42/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 28 |
| Place of burial | Croydon Cemetery, Queensland |
| Panel number, Roll of Honour, Australian War Memorial | 57 |
| Miscellaneous information from cemetery records | Son of E. O'FLAHERTY. Native of Croydon, Queensland |
| Family/military connections | Brother: 6075 Pte James O'CONNOR, 49th Bn, killed in action, 27 September 1917. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |