| Regimental number | 3404 |
| Place of birth | Warracknabeal Victoria |
| Religion | Roman Catholic |
| Occupation | Moulder |
| Address | Ballarat, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, T H O'Callaghan, 240 Park Street, Ballarat, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 6th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/23/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Machine Gun Company |
| Fate | Killed in Action |
| Place of burial | Poperinghe New Military Cemetery (Plot II, Row H, Grave No. 40), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 179 |
| Medals |
Military Medal Source: 'Commonwealth Gazette' No. 219 Date: |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
