| Date of birth | |
| Religion | Church of England |
| Occupation | Civil engineer |
| Address | Mount Barker, South Australia |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Mother, Mrs Amelia Dumas, Mount Barker, South Australia |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | October 1916 Reinforcements |
| AWM Embarkation Roll number | 14/42/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A74 Marathon on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 2nd Division Engrs |
| Promotions |
2nd Lieutenant Unit: ENG Fld Coy Promotion date: Lieutenant Unit: ENG Div 2 Promotion date: |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Spelt Russell John Dumas on NR |