| Regimental number | 647 |
| Place of birth | Beaconsfield N/A |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Winkleigh, West Tamar, Tasmania |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, Denis O'Keefe, Winkleigh, West Tamar, Tasmania |
| Enlistment date | 21 November 1916 |
| Date of enlistment from Nominal Roll | 3 November 1916 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 15, Reinforcement 11 |
| AWM Embarkation Roll number | 24/20/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 11 May 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Fate | Returned to Australia 27 September 1918 |