| Regimental number | 2190 |
| Place of birth | Elsternwick Victoria |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | Elsternwick, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, John Allen Roark, 3 Gladstone Street, Elsternwick, Victoria |
| Previous military service | 46th Infantry |
| Enlistment date | 4 September 1916 |
| Date of enlistment from Nominal Roll | 17 September 1916 |
| Rank on enlistment | 2nd Air Mechanic |
| Unit name | July 1917 Reinforcements |
| AWM Embarkation Roll number | 8/15/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A29 Suevic on 21 June 1917 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on 4 August 1917 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A60 Aeneas on 30 October 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Flying Corps |
| Fate | Returned to Australia 21 March 1919 |