| Regimental number | 3437 |
| Place of birth | Leederville Western Australia |
| Religion | Church of England |
| Occupation | Harnessmaker |
| Address | Leederville, Western Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, John Gilbert, 181 Oxford Street, Leederville, Western Australia |
| Enlistment date | 29 March 1917 |
| Date of enlistment from Nominal Roll | 25 March 1917 |
| Rank on enlistment | Private |
| Unit name | 44th Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/61/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A30 Borda on 29 June 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Headquarters, Australian Base Depot |
| Fate | Returned to Australia 12 July 1919 |
| Family/military connections | Brother: 180 Pte Walter John GILBERT, Australian Postal Corps, returned to Australia, 1 June 1919. |