
| Regimental number | 2072 |
| Place of birth | Krambach, New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Krambach, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, John Joseph Gallagher, Krambach, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 36th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/53/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Effective abroad (still overseas) |
| Family/military connections | Brothers: Bernard Patrick Gallagher, Reg. No. 777, 33rd Battalion, returned to Australia 11 May 1919; Clarence Gallagher, Reg No. 2074, 33rd Battalion, returned to Australia 7 December 1919 |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Sandgate Cemetery |