| Regimental number | 3680 |
| Place of birth | Alexandria, Sydney, New South Wales |
| School | Public School, New South Wales |
| Religion | Presbyterian |
| Occupation | Market gardener |
| Address | Stephen Road, Botany, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, W Armstrong, Stephen Road, Botany, New South Wales |
| Previous military service | Served in the Citizen Military Forces. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 4th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/21/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A7 Medic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 13th Battalion |
| Fate | Died of wounds |
| Age at death | 21.9 |
| Age at death from cemetery records | 21 |
| Place of burial | Bailleul Communal Cemetery Extension (Plot II, Row F, Grave No. 227), France |
| Panel number, Roll of Honour, Australian War Memorial | 68 |
| Miscellaneous information from cemetery records | Parents: William and Annie ARMSTRONG, "Arlington", Stephen's Road, Botany, New South Wales. Native of Alexandria, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |