| Place of birth | Williamstown, Victoria |
| Religion | Church of England |
| Occupation | Student civil engineering |
| Address | Williamstown, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, William Jarvis Elsum, 162 Stevedore Street, Williamstown, Victoria |
| Previous military service | 9th Field Company Army Engineers |
| Enlistment date | 19 November 1915 |
| Date of enlistment from Nominal Roll | 19 November 1915 |
| Rank on enlistment | 2nd Lieutenant (Honorary Lieutenant) |
| Unit name | November 1916 Reinforcements |
| AWM Embarkation Roll number | 14/42/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A29 Suevic on 11 November 1916 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | Field Company Engineers |
| Fate | Returned to Australia 29 May 1919 |
