| Religion | Presbyterian |
| Occupation | Clerk |
| Marital status | Single |
| Age at embarkation | 35 |
| Next of kin | Mother, Mrs C D'Alton, 62 Carpenter Street, Brighton, Victoria |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | 29th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/46/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 29th Battalion |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *Spelt William Denholm on NR |
| Age at death from cemetery records | 32 |
| Place of burial | Corbie Communal Cemetery Extension (Plot 2, Row D, Grave No. 72), France |
| Panel number, Roll of Honour, Australian War Memorial | 115 |
| Miscellaneous information from cemetery records | Parents: John and Catherine D'ALTON, 62 Carpenter Street, Brighton, Victoria. Native of Stawell, Victoria, Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |