| Regimental number | 1366 |
| Place of birth | Smithtown New South Wales |
| Religion | Church of England |
| Occupation | Warehouseman |
| Address | Sylvania, 22 Todman Avenue, Kensington, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, William James Snodgrass, Bouvelle via Coffs Harbour, New South Wales |
| Enlistment date | 5 October 1915 |
| Date of enlistment from Nominal Roll | 9 September 1915 |
| Rank on enlistment | Private |
| Unit name | 12th Light Horse Regiment, 7th Reinforcement |
| AWM Embarkation Roll number | 10/17/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A66 Uganda on 20 November 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 12th Light Horse Regiment |
| Fate | Returned to Australia 29 April 1919 |
| Miscellaneous details (Nominal Roll) | *Erwin spelt Edwin |