| Place of birth | Urana, New South Wales |
| Religion | Presbyterian |
| Occupation | School teacher |
| Address | Torquay, Victoria Road, Woollahra, New South Wales |
| Marital status | Single |
| Age at embarkation | 32 |
| Next of kin | Father, G H Gardner, Torquay, Victoria Road, Woollahra, New South Wales |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 3rd Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/20/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Star Of England on |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | 3rd Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 34 |
| Place of burial | Noreuil Australian Cemetery (Row H, Grave No. 12), France |
| Panel number, Roll of Honour, Australian War Memorial | 160 |
| Miscellaneous information from cemetery records | Parents: George and Jane GARDNER, "Ranior", 65 Edgecliff Road, Woollahra, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |