| Regimental number | 3709 |
| Place of birth | Edenhope Victoria |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Coobowie, South Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, T J O'Callaghan, Coobowie, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 34th Reinforcement |
| AWM Embarkation Roll number | 10/14/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Port Darwin on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Fate | Returned to Australia |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
