| Regimental number | 1056 |
| Place of birth | Balmain, New South Wales |
| School | Fort Street High School, New South Wales |
| Religion | Church of England |
| Occupation | Salesman |
| Address | c/o Sydney James Jelfs, 540 Darling Street, Rozelle, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Sydney James Jelfs, 540 Darling Street, Rozelle, New South Wales |
| Previous military service | First Lieutenant 30th Battalion - Trainee |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Sergeant |
| Unit name | 19th Battalion, C Company |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT Ceramic on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 19th Battalion |
| Other details from Roll of Honour Circular | He enlisted in August for Rabail and was the youngest member of the First Exped Force leaving NSW. |
| Fate | Killed in Action |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death from cemetery records | 20 |
| Place of burial | Sunken Road Cemetery (Plot I, Row E, Grave No. I), Contalmaison, France |
| Panel number, Roll of Honour, Australian War Memorial | 89 |
| Miscellaneous information from cemetery records | Parents: James and Edwie JELFS, Rukard Street, Ryde, New South Wales |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
