| Regimental number | 9812 |
| Place of birth | Sydney New South Wales |
| Religion | Presbyterian |
| Occupation | Mechanical draftsman |
| Address | 10 Miller Street, Petersham, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Alexander Armstrong, 10 Miller Street, Petersham, New South Wales |
| Enlistment date | 12 April 1916 |
| Date of enlistment from Nominal Roll | 29 March 1916 |
| Rank on enlistment | Sapper |
| Unit name | 9th Field Company Engineers |
| AWM Embarkation Roll number | 14/28/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A31 Ajana on 5 July 1916 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 9th Field Company Engineers |
| Fate | Returned to Australia 21 December 1917 |
