| Regimental number | 2069 |
| Place of birth | Dunkeld, Victoria |
| Other Names | Harry Allan |
| Religion | Church of England |
| Occupation | Railway porter |
| Address | c/o Mrs Collun, High Street, Ararat, Victoria |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Mother, Mrs Eliza Duckmanton, Dunkeld, Victoria |
| Enlistment date | 22 December 1915 |
| Date of enlistment from Nominal Roll | 26 January 1916 |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/56/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A9 Shropshire on 25 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Returned to Australia 24 August 1918 |
| Family/military connections | Brother: 853 Pte Leo DUCKMANTON, 1st Bn, killed in action, 5-8 May 1917. |
