| Religion | Church of England |
| Occupation | Civil engineer |
| Address | 53 Roslyn Gardens, Darlinghurst, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, William James Millner, 53 Roslyn Gardens, Darlinghurst, New South Wales |
| Enlistment date | 15 October 1915 |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 7th Field Company Engineers, Reinforcement 3 |
| AWM Embarkation Roll number | 14/26/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A54 Runic on 20 January 1916 |
| Rank from Nominal Roll | 2nd Lieutenant |
