| Regimental number | 1249 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Swanpool, Victoria |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, John O'Callaghan, Swanpool, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 37th Battalion, D Company |
| AWM Embarkation Roll number | 23/54/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Returned to Australia |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
