| Regimental number | 3000 |
| Other Names | DUCKMANTON, Sydney James |
| Religion | Roman Catholic |
| Occupation | Architectural student |
| Address | Wycheproof, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Arthur Duckmanton, Wycheproof, Victoria |
| Enlistment date | |
| Rank on enlistment | Driver |
| Unit name | 5th Field Company Engineers |
| AWM Embarkation Roll number | 14/24/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 60th Battalion |
| Promotions |
2nd Lieutenant Unit: INF60 Promotion date: |
| Fate | Returned to Australia |