| Regimental number | 6062 |
| Place of birth | Langhorne Creek, South Australia |
| Religion | Methodist |
| Occupation | Labourer |
| Address | Langhornes Creek, South Australia |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Joseph James Duffield, Langhornes Creek, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 19th Reinforcement |
| AWM Embarkation Roll number | 23/27/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A70 Ballarat on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 6240 Pte Albert Lionel DUFFIELD, 27th Bn, killed in ation, 4 October 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Centennial Park Cemetery |