| Regimental number | 1916 |
| Place of birth | Gundagai, New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Millbrook, South Australia |
| Marital status | Single |
| Age at embarkation | 26 |
| Height | 5' 5" |
| Weight | 140 lbs |
| Next of kin | Brother, E W Gallas, Springton, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Oaklands, South Australia |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/33/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 16th Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in South Australian Garden of Remembrance |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli Commenced return to Australia on board HT 'Ajana', 17 October 1916; discharged (medically unfit: shell shock), Adelaide, 17 March 1917. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Age at death | 80 |
| Place of burial | St Mark's Anglican Cemetery, Woodside, South Australia |
| Sources | NAA: B2455, GALLAS Paul Frederick |