| Regimental number | 3288 |
| Religion | Baptist |
| Occupation | Labourer |
| Address | Nambucca River, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs Sarah Detlefson, Freshwater, Manly, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 35th Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/52/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 35th Battalion |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Spelt Antonio James Dellamarta on NR |
| Age at death from cemetery records | 22 |
| Place of burial | Ste. Marie Cemetery (Div. 62, Plot III, Row B, Grave No. 7), Le Havre, France |
| Panel number, Roll of Honour, Australian War Memorial | 125 |
| Miscellaneous information from cemetery records | Parents: Antorio and Sarah DELLA MARTA. Native of Hillgrove, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |