| Regimental number | 2020 |
| Place of birth | Snowtown South Australia |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Kadina, South Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, W Edward Jacob, Kadina, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 300th Mechanical Transport, Army Service Corps (17th Divisional Ammunition Column (9th Army Service Corps) |
| AWM Embarkation Roll number | 25/99/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Service Corps |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in South Australian Garden of Remembrance |
| Family/military connections | Brothers: [309] Lt Gordon Hillier JACOB, 51st Bn, returned to Australia, 5 April 1918; [770] Lt Kenneth Grant JACOB, 12th Bn, killed in action, 30 May 1918 |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death |