| Regimental number | 1354 |
| Place of birth | Mintaro South Australia |
| Religion | Church of Christ |
| Occupation | Painter |
| Address | Balaklava, South Australia |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, Samuel Tunkin, Balaklava, South Australia |
| Enlistment date | 24 May 1915 |
| Rank on enlistment | Private |
| Unit name | 3rd Light Horse Regiment, 10th Reinforcement |
| AWM Embarkation Roll number | 10/8/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A70 Ballarat on 14 September 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 4th Field Artillery Brigade |
| Fate | Returned to Australia 9 March 1919 |
| Family/military connections | Brother: 723 Lance Corporal William TUNKIN, 42nd Bn, returned to Australia, 24 December 1918. |