| Regimental number | 3721 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Peoples Palace, Pitt Street, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Brother, M W O'Shea, Waihi, New Zealand |
| Enlistment date | 17 September 1915 |
| Date of enlistment from Nominal Roll | 14 September 1915 |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/37/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A60 Aeneas on 20 December 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 56th Battalion |
| Fate | Returned to Australia 15 May 1919 |