| Regimental number | 4755 |
| Religion | Roman Catholic |
| Occupation | Railway porter |
| Address | Petersburg, South Australia |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, Henry O'Callaghan, corner of Lipson Street and Junction Road, Port Adelaide, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | Australian General Hospital 3, Reinforcement 1 |
| AWM Embarkation Roll number | 26/67/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A62 Wandilla on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Field Ambulance |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in South Australian Garden of Remembrance |
| Date of death |