| Regimental number | 2954 |
| Place of birth | Gilgandra New South Wales |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Guerie, West Coast Line, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, John Thomas Mawbey, Dapto, South Coast, New South Wales |
| Enlistment date | 15 February 1916 |
| Date of enlistment from Nominal Roll | 1 February 1916 |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 21st Reinforcement |
| AWM Embarkation Roll number | 10/12/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A1 Hymettus on 12 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Light Horse Regiment |
| Fate | Returned to Australia 28 June 1919 |
| Miscellaneous details (Nominal Roll) | *given name two spellings Garney and Garnet |