| Regimental number | 415 |
| Place of birth | Young New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Michael John O'Keefe, Yass Road, Cootamundra, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, B Squadron |
| AWM Embarkation Roll number | 10/12/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A33 Ayrshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Light Horse Brigade Machine Gun Squadron |
| Fate | Returned to Australia |
| Family/military connections | Brother: 3855 Pte Daniel Bede O'KEEFE, 30th Bn, killed in action, 2 May 1917. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |