| Regimental number | 1825 |
| Place of birth | Cranbrook, Western Australia |
| School | Cranbrook State School, Western Australia |
| Religion | Church of England |
| Occupation | Farm labourer |
| Address | Blackboy Hill, Western Australia |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Edward Thomas Gillam, Cranbrook, Western Australia |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 44th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/61/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 44th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Dernancourt, France |
| Age at death | 24.6 |
| Age at death from cemetery records | 24 |
| Place of burial | St. Sever Cemetery Extension (Block P, Plot IX, Row M, Grave No. 9B), Rouen, France |
| Panel number, Roll of Honour, Australian War Memorial | 138 |
| Miscellaneous information from cemetery records | Parents: Edward and Mary GILLAM, Cranbrook, Western Australia |
| Family/military connections | Brother: 3340 Pte Albert Edward GILLAM, 11th Bn, returned to Australia, 2 April 1919; Cousins: 618 Pte Sydney Davenport GILLAM, 10th Light Horse Regiment, died of wounds, 29 August 1915; 655 Trooper Hubert Evelyn GILLAM, 10th Light Horse Regiment, died of wounds, 29 August 1915; 1826 Pte Jack Clifford GILLAM MM, 44th Bn, returned to Australia, 1 July 1919; [2370] Captain Ross Hamilton DUNN MM, 28th Bn, returned to Australia, 18 December 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |