| Regimental number | 390 |
| Religion | Church of England |
| Occupation | Sheep overseer |
| Address | Godsall Street, Toowoomba, Queensland |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs T W Gillham, Godsall Street, Toowoomba, Queensland |
| Enlistment date | 12 March 1915 |
| Rank on enlistment | Private |
| Unit name | 11th Light Horse Regiment, A Squadron |
| AWM Embarkation Roll number | 10/16/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A7 Medic on 2 June 1915 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A30 Borda on 16 June 1915 |
| Regimental number from Nominal Roll | 1125 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Light Horse Regiment |
| Fate | Returned to Australia 13 March 1919 |
| Family/military connections | Brother: 391 Pte Benjamin Cresswell GILLHAM, 12th Light Horse Regiment, returned to Australia, 20 July 1919. |