| Regimental number | 19154 |
| Place of birth | Alexandria New South Wales |
| Religion | Methodist |
| Occupation | Law clerk |
| Address | 68A Pitt Street, Waterloo, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, E Walder, 68A Pitt Street, Waterloo, New South Wales |
| Enlistment date | 29 November 1915 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 7, Battery 28 |
| AWM Embarkation Roll number | 13/35/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on 11 May 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Returned to Australia 29 May 1919 |
| Family/military connections | Brother: 4250 Pte William WALDER, 17th Bn, died of disease, 6 October 1918. |
