| Regimental number | 1427 |
| Place of birth | Queanbeyan New South Wales |
| Religion | Roman Catholic |
| Occupation | Mechanic |
| Address | Mowatt Street, Queanbeyan, New South Wales |
| Marital status | Married |
| Age at embarkation | 24 |
| Next of kin | Father, Cornelius James O'Rourke, Mowatt Street, Queanbeyan, New South Wales |
| Enlistment date | 25 August 1915 |
| Rank on enlistment | Private |
| Unit name | 12th Light Horse Regiment, 7th Reinforcement |
| AWM Embarkation Roll number | 10/17/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A66 Uganda on 20 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Flying Corps |
| Fate | Returned to Australia 6 May 1919 |
| Family/military connections | Brother: 1428 Pte Joseph Patrick O'ROURKE, 12th Light Horse Regiment, returned to Australia, 20 July 1919. |