| Regimental number | 9925 |
| Place of birth | 111 Cary Street, Leichhardt, Sydney, New South Wales |
| School | Kesworth Superior Public School, Leichhardt, NSW. International Correspondence School. |
| Religion | Congregational |
| Occupation | Electrical mechanic |
| Address | 111 Cary Street, Leichhardt, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, J T Jeffreys, 68 Ramsey Street, Haberfield, Sydney, New South Wales |
| Previous military service | Served in the Citizen Forces, New South Wales |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 1, Reinforcement 13 |
| AWM Embarkation Roll number | 13/29/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 1st Field Artillery Brigade |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | The Huts Cemetery (Plot IX, Row C, Grave No. 15), Dickebusch, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 11 |
| Miscellaneous information from cemetery records | Parents: Jonathan and Annie JEFFREYS, 68 Ramsay Road, Haberfield, New South Wales. Native of Leichhardt, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |