| Regimental number | 3693 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Kalgoorlie, Western Australia |
| Marital status | Widower |
| Age at embarkation | 42 |
| Next of kin | Son, Patrick Joseph O'Connor, Wickham PO, Wickham, Newcastle, New South Wales |
| Enlistment date | 20 January 1917 |
| Date of enlistment from Nominal Roll | 17 January 1917 |
| Rank on enlistment | Private |
| Unit name | 51st Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/68/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A30 Borda on 29 June 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 51st Battalion |
| Fate | Returned to Australia 17 June 1918 |