| Regimental number | 34223 |
| Place of birth | Kergunyah Victoria |
| Religion | Presbyterian |
| Occupation | Student |
| Address | 40 Shaughannassey Street, Kew, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Arthur H Wallace, Kergunyah, Victoria |
| Enlistment date | 14 February 1917 |
| Rank on enlistment | Driver |
| Unit name | Field Artillery Brigade, March 1917 Reinforcements |
| AWM Embarkation Roll number | 13/128/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A74 Marathon on 10 May 1917 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on 11 May 1917 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 5th Divisional Signal Company |
| Fate | Returned to Australia 5 July 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt David Hartleigh Wallace on NR |