| Regimental number | 7194 |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, T O'Connor, Kunenalling, Coolgardie, Western Australia |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 24th Reinforcement |
| AWM Embarkation Roll number | 23/28/5 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT Miltiades on |
| Rank from Nominal Roll | 2nd Corporal |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 7195 Pte Thomas Patrick O'CONNOR, 11th Bn, killed in action, 20 September 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |