| Regimental number | 3655 |
| Place of birth | Mosman New South Wales |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Belmont Road, Mosman, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Dr. Frank Wiseman Doak, Belmont Road, Mosman, New South Wales |
| Enlistment date | 20 April 1917 |
| Date of enlistment from Nominal Roll | 6 April 1917 |
| Rank on enlistment | Private |
| Unit name | 6th Light Horse Regiment, 33rd Reinforcement |
| AWM Embarkation Roll number | 10/11/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board SS Canberra on 16 November 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Light Horse Regiment |
| Fate | Returned to Australia 28 June 1919 |
| Family/military connections | Brother: 63734 Gunner James Stephen Bucknall DOAK, 1st Field Artillery Brigade, effective abroad (still overseas) |
| Other details | Medals: British War Medal, Victory Medal |