| Regimental number | 2322 |
| Place of birth | Lilydale, Victoria |
| School | Roman Catholic School, Brownhill, Kalgoorlie, WA |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Tammin, Western Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Height | 5' 3.5" |
| Weight | 113 lbs |
| Next of kin | Mother, Mrs Mary Duty, Tammin, Western Australia |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Perth, Western Australia |
| Rank on enlistment | Private |
| Unit name | 44th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/61/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A39 Port Macquarie on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 44th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Hamel, France |
| Age at death | 27 |
| Age at death from cemetery records | 27 |
| Place of burial | Villers-Bretonneux Military Cemetery (Plot I, Row F, Grave No. 8), Fouilloy, France |
| Panel number, Roll of Honour, Australian War Memorial | 138 |
| Miscellaneous information from cemetery records | Parents: Densi David and Mary DUTY, Tammin, Western Australia. Born at Lilydale, Victoria |
| Other details |
War service: Western Front Embarked Fremantle, 13 October 116; disembarked Plymouth, England, 12 December 1916; marched into 11th Training Bn, 13 December 1916. Proceeded overseas to France, 4 February 1917; marched into 3rd Australian Divisional Base Depot, Etaples, 4 February 1917. Proceeded to unit, 6 February 1917; taken on strength of 44th Bn, in the field, 8 February 1917. Killed in action, 4 July 1918. Buried by members of his company, 600 yards' south east of Hamel, no date stated. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, DUTY John William |