| Regimental number | 976 |
| Place of birth | Forbes, New South Wales |
| School | Petersham Public School, New South Wales |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | Manning Street, Kiama, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, William Seader, Manning Street, Kiama, New South Wales |
| Previous military service | 37th Aust Infantry; Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 30th Battalion, D Company |
| AWM Embarkation Roll number | 23/47/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 30th Battalion |
| Fate | Died of wounds |
| Miscellaneous details (Nominal Roll) | *Given name James Sydney |
| Place of death or wounding | Polygon Wood, Belgium |
| Age at death | 21 |
| Age at death from cemetery records | 24 |
| Place of burial | Lijssenthoek Military Cemetery (Plot XXIV, Row B, Grave No. 7A), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 117 |
| Miscellaneous information from cemetery records | Parents: William and Margaret SEADER, 41 Leichhardt Street, Glebe Point, New South Wales. Native of Forbes, New South Wales |