| Regimental number | 526 |
| Place of birth | Preston, Victoria |
| Religion | Methodist |
| Occupation | Farmer |
| Address | Wagin, Western Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Gannaway, Wagin, Western Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, A Squadron |
| AWM Embarkation Roll number | 10/15/1 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A47 Mashobra on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Light Horse Regiment |
| Fate | Died of wounds |
| Age at death from cemetery records | 27 |
| Place of burial | Chatby War Memorial Cemetery (Row K, Grave No. 41), Egypt |
| Panel number, Roll of Honour, Australian War Memorial | 7 |
| Miscellaneous information from cemetery records | Parents: George and Eliza GANNAWAY |
| Family/military connections | Brothers: 17447 Pte Henry GANNAWAY, 1st Field Ambulance, returned to Australia, 1 June 1919; 903 Pte Benjamin Joseph GANNAWAY, 11th Bn, died of disease, 5 November 1918. |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |