| Regimental number | 421 |
| Place of birth | Melbourne Victoria |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Emmet, Queensland |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Mother, Mrs Marion Gamble, Prahran, Victoria |
| Enlistment date | 8 May 1916 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 12, Reinforcement 6 |
| AWM Embarkation Roll number | 24/17/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A17 Port Lincoln on 20 October 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 1st Machine Gun Battalion |
| Fate | Returned to Australia 23 July 1919 |
| Miscellaneous details (Nominal Roll) | *Stated to be Leofwyn Ewart Gamble on NR |