| Regimental number | 10089 |
| Place of birth | Sydney New South Wales |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Manly, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Sydney James Thornton, Queenscliff Road, Manly, New South Wales |
| Previous military service | 18th Infantry |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | Field Ambulance 8, Reinforcement 5 |
| AWM Embarkation Roll number | 26/51/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 14th Field Ambulance |
| Fate | Deceased |
| Age at death from cemetery records | 22 |
| Place of burial | Hooge Crater Cemetery (Plot lII, Row D, Grave No. 4), Zillebeke, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 184 |
| Miscellaneous information from cemetery records | Parents: Sydney James and Sarah Ellen THORNTON, Glenwood, Queenscliff, Manly, New South Wales. Native of Sydney, New South Wales |
| Family/military connections | Brother: 10088 Pte Mervyn Willoughby THORNTON, 14th Field Ambulance, died of disease, 30 October 1918. |