| Regimental number | 708 |
| Place of birth | Adelaide, South Australia |
| Religion | Roman Catholic |
| Occupation | Machinist |
| Address | Day Creek, South Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Brother, Patrick Callaghan, Grand Junction, Day Creek, South Australia |
| Enlistment date | 14 November 1914 |
| Date of enlistment from Nominal Roll | 24 November 1914 |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 1st Reinforcement |
| AWM Embarkation Roll number | 10/14/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A52 Surada on 6 February 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Fate | Returned to Australia 29 July 1915 |
