| Regimental number | 19376 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | 13 Percy Street, Rozelle, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, J Witheriff, 13 Percy Street, Rozelle, Sydney, New South Wales |
| Previous military service | 29th Infantry |
| Enlistment date | 3 January 1916 |
| Rank on enlistment | Bombardier (Lance Sergeant) |
| Unit name | Field Artillery Brigade 7, Brigade Ammunition Column |
| 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 | BDR L/SGT |
| Unit from Nominal Roll | 3rd Divisional Ammunition Column |
| Fate | Returned to Australia 10 May 1919 |
| Miscellaneous details (Nominal Roll) | *Denis spelt Davis |