| Regimental number | 1103 |
| Place of birth | Minmi, New South Wales |
| School | Public School |
| Religion | Presbyterian |
| Occupation | Ab sailor |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, George Armstrong, Hospital Hill, Muswellbrook, New South Wales |
| Previous military service | Naval Seaman |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, 1st Reinforcement |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Gallipoli, Turkey |
| Date of death | |
| Age at death | 28 |
| Age at death from cemetery records | 28 |
| Place of burial | Lone Pine Cemetery (Special Memorial Row C, Grave No. 2), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 31 |
| Miscellaneous information from cemetery records | Parents: George and Barbara ARMSTRONG. Native of Minmi, Newcastle, New South Wales |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |