| Regimental number | R2079 |
| Religion | Roman Catholic |
| Occupation | Smelter |
| Address | Port Pirie, South Australia |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Brother, James Gallacher, 65 West Clyde Street, Helensburgh, South Australia |
| Enlistment date | 28 November 1914 |
| Rank on enlistment | Private |
| Unit name | 43rd Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/60/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A68 Anchises on 28 August 1916 |
| Regimental number from Nominal Roll | 2079 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 3rd Divisional Salvage Company |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Stated to be George Henry Gallagher on NR |
