| Regimental number | 4859 |
| Place of birth | Bungaree Victoria |
| Religion | Roman Catholic |
| Occupation | Railway foreman |
| Address | Hertford Street, Sebastopol, Victoria |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Father, Mr D O'Keefe, Hertford Street, Sebastopol, Victoria |
| Enlistment date | 18 August 1915 |
| Rank on enlistment | Private |
| Unit name | 8th Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/25/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A18 Wiltshire on 7 March 1916 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 5th Pioneer Battalion |
| Fate | Returned to Australia 23 June 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt James Matthew O'Keefe on NR |
