| Date of birth | |
| Religion | Roman Catholic |
| Occupation | Roman Catholic priest |
| Address | Waverley, New South Wales |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Brother, Rev R J O'Callaghan, O F M, Limerick, Ireland |
| Enlistment date | |
| Rank on enlistment | Chaplain (4th Class) |
| Unit name | Chaplains' Corps |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Canberra on |
| Rank from Nominal Roll | Chaplain |
| Unit from Nominal Roll | Special Service |
| Promotions |
Captain Unit: Chaplain 4th Class (Roman Catholic), 4th Infantry Brigade Promotion date: |
| Fate | Returned to Australia |
| Miscellaneous details | Appointment for continuous service. |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
