| Regimental number | 563 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Lipson Street, Port Adelaide, South Australia |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, H O'Callaghan, Lipson Street, Port Adelaide, South Australia |
| Enlistment date | 29 December 1914 |
| Rank on enlistment | Private |
| Unit name | 11th Light Horse Regiment, C Squadron |
| AWM Embarkation Roll number | 10/16/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A7 Medic on 2 June 1915 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A30 Borda on 16 June 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Light Horse Regiment |
| Fate | Returned to Australia 25 November 1916 |
