| Regimental number | 3049 |
| Place of birth | Aberdeen New South Wales |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Rocky Point, Aberdeen, New South Wales |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, W J Gardiner, Rocky Point, Aberdeen, New South Wales |
| Enlistment date | 13 July 1915 |
| Date of enlistment from Nominal Roll | 7 July 1915 |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/19/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A69 Warilda on 8 October 1915 |
| Regimental number from Nominal Roll | 3049A |
| Rank from Nominal Roll | Bombardier |
| Unit from Nominal Roll | 12th Field Artillery Brigade |
| Fate | Returned to Australia 13 April 1919 |
| Family/military connections | Brother: 4588 Corporal Samuel Mitchell GARDINER, 17th Bn, returned to Australia, 26 September 1917. |
