| Regimental number | 17 |
| Place of birth | Yass New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Gunning PO, Gunning, New South Wales |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Brother, Thomas O'Sullivan, Burwood PO, Burwood, Sydney, New South Wales |
| Enlistment date | 14 December 1914 |
| Rank on enlistment | Private |
| Unit name | 12th Light Horse Regiment, Headquarters |
| AWM Embarkation Roll number | 10/17/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A29 Suevic on 13 June 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Light Horse Regiment |
| Fate | Returned to Australia 11 April 1916 |
