| Regimental number | 6243 |
| Date of birth | |
| Place of birth | North Adelaide, South Australia |
| School | Goodwood Rose Park and Parkside Public Schools, South Australia; Goodwood Public School, South Australia |
| Religion | Methodist |
| Occupation | Farmer |
| Address | St Peters, South Australia |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Horatio Atton Duckmanton, 8th Avenue, St Peters, South Australia |
| Previous military service | Served in the School Cadets of which he was a Sergeant. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/27/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 27th Battalion |
| Other details from Roll of Honour Circular | Grandfather: Jonathon Norton DUCKMANTON, b. Potter Hanworth Booths, Lincolnshire; served in various Royal Navy ships under Admiral Seymour; Crimean War. |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 21.3 |
| Age at death from cemetery records | 21 |
| Place of burial | Warlencourt British Cemetery (Sp. Mem. 6), France |
| Panel number, Roll of Honour, Australian War Memorial | 110 |
| Miscellaneous information from cemetery records | Parents: Horatio Atton and Elanor Juliet Blanche DUCKMANTON, 8th Avenue, St. Peter's, South Australia. Native of North Adelaide |
| Family/military connections | Brother: 55823 Pte Landseer Samuel DUCKMANTON, 43rd Bn, returned to Australia, 5 September 1919; Father: Pte Horatio A. DUCKMANTON, 2nd Bn, Royal Sussex Regiment (b. Adelaide, SA, 22 July 1858; enlisted 1881; served two years in the Curragh Camp, Ireland). |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |