| Place of birth | Dunedin, New Zealand |
| Other Names | FORSYTH, David Millar~ |
| Religion | Congregational |
| Occupation | Public accountant |
| Address | Imperial Service Club, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 41 |
| Next of kin | Father, J Forsyth, Grange Road, Dunedin, New Zealand |
| Enlistment date | 11 October 1918 |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Lieutenant |
| Unit name | New South Wales Reinforcement 23 |
| AWM Embarkation Roll number | 23/111/6 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Wyreema on 14 October 1918 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 19th Battalion |
| Fate | Returned to Australia 7 October 1918 |