| Regimental number | 2426 |
| Place of birth | Galway, Ireland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 38 |
| Height | 5' 6" |
| Weight | 160 lbs |
| Next of kin | Brother, Cornelius Joseph O'Connor, William Street, West Galway, Ireland |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Brisbane, Queensland |
| 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 | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt Joined 9th Bn, Habeita, 18 February 1916. Admitted to 1st Field Ambulance, Serapeum, 2 March 1916; transferred to no 1 Australian Stationary Hospital, 5 March 1916 (rheumatism); transferred to 1st Australian General Hospital, Cairo, 6 March 1916; to British Red Cross Hospital, Montazah, 16 March 1916; to 3rd Auxiliary Hospital, Heliopolis, 19 April 1916 (chronic arthritis); to 1st Auxiliary Hospital, 23 May 1916. Commenced return to Australia from Suez on board HT 'Port Sydney', 24 June 1916; discharged, Brisbane, 17 August 1916. Medals: 1914-15 Star, British War Medal, Victory Medal |