| Religion | Church of England |
| Occupation | Engineer student |
| Address | Ashfield, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Orlando William Brain, 85 Bland Street, Ashfield, New South Wales |
| Previous military service | 39th Infantry |
| Enlistment date | 3 September 1917 |
| Rank on enlistment | 2nd Lieutenant (Honorary Lieutenant) |
| Unit name | October 1917 Reinforcements |
| AWM Embarkation Roll number | 14/42/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Canberra on 16 November 1917 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 5th Field Company Engineers |
| Fate | Returned to Australia 28 February 1919 |
