| Regimental number | 6172 |
| Place of birth | Sydney New South Wales |
| Other Names | Septimus Benyon |
| Religion | Congregational |
| Occupation | College student |
| Address | 16 Sydney Road, Manly, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Ebenezer Walker, 16 Sydney Road, Manly, Sydney, New South Wales |
| Enlistment date | 24 July 1916 |
| Date of enlistment from Nominal Roll | 2 November 1916 |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, 17th Reinforcement |
| AWM Embarkation Roll number | 23/36/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A11 Ascanius on 25 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 19th Battalion |
| Fate | Returned to Australia 21 March 1919 |