| Regimental number | 4509 |
| Place of birth | Charters Towers Queensland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, T J Gallagher, Lumley Street, Cairns, Queensland |
| Enlistment date | 11 September 1915 |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/32/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A62 Wandilla on 31 January 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 13th Field Artillery Brigade |
| Fate | Returned to Australia 2 June 1919 |
