| Regimental number | 21961 |
| Place of birth | Wagga Wagga, New South Wales |
| School | Werribee State School, Victoria |
| Religion | Presbyterian |
| Occupation | Carpenter |
| Address | Werribee, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, P Gardner, Synott Street, Werribee, Victoria |
| Previous military service | 64th Infantry; Served in Senior Cadets, 29th Light Horse, AMF. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Driver |
| Unit name | Howitzer Brigade 23, Battery 107 |
| AWM Embarkation Roll number | 13/133/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A7 Medic on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Killed in Action |
| Place of death or wounding | Seaforth Farm |
| Age at death | 21.10 |
| Age at death from cemetery records | 21 |
| Place of burial | Trois-Arbes Cemetery (Plot II, Row B, Grave No. II), Steenwerck, France |
| Panel number, Roll of Honour, Australian War Memorial | 15 |
| Miscellaneous information from cemetery records | Parents: Peter and Emily GARDNER, Synott Street, Werribee, Victoria. Native of Wagga Wagga, New South Wales |
| Family/military connections | Brother: 1243 Pte William John GARDNER, 2nd Light Horse Regiment, died of wounds, 9 May 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |