| Regimental number | 1534 |
| Place of birth | St Bathans, New Zealand |
| Religion | Roman Catholic |
| Occupation | Steward |
| Marital status | Single |
| Age at embarkation | 18.4 |
| Height | 5' 7" |
| Weight | 133 lbs |
| Next of kin | Brother, Patrick J. Gallagher, Dunedin, New Zealand |
| Previous military service | Nil ('evaded service') |
| Enlistment date | |
| Place of enlistment | Claremont, Tasmania |
| Rank on enlistment | Private |
| Unit name | 3rd Light Horse Regiment, 11th Reinforcement |
| AWM Embarkation Roll number | 10/8/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board SS Hawkes Bay on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Western Front Wounded in action, remaining at duty, 11 September 1017. Commenced return to Australia on board HT 'Mamari', 21 December 1918; discharged (medically unfit: debility), 11 April 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Sources | NAA: B2455, GALLAGHER Michael Verdon |