| Regimental number | 5121 |
| Place of birth | Wallaroo, South Australia |
| Religion | Roman Catholic |
| Occupation | Cook |
| Address | 30 Park Street, Abbotsford, Victoria |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Brother, Walter John Bennett, Owen, South Australia |
| Previous military service | Served in the Boer War. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/40/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A26 Armadale on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 23rd Battalion |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *Sidney spelt Sydney |
| Place of death or wounding | Flers, France |
| Date of death | |
| Age at death | 31 |
| Place of burial | A.I.F. Burial Ground (Plot VII, Row A, Grave No. 7), Grass Lane, Flers, France |
| Panel number, Roll of Honour, Australian War Memorial | 98 |
| Miscellaneous information from cemetery records | Parents: Albert and Annie BENNETT, husband of Ruby Christina BENNETT, 281 Argyle Street, Hobart Tasmania. Native of Wallaroo, South Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |