| Regimental number | 1256 |
| Place of birth | Ballarat Victoria |
| Religion | Baptist |
| Occupation | Driver |
| Address | 19 Windsor Street, Footscray, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Edwin Mason, 19 Windsor Street, Footscray, Victoria |
| Enlistment date | 10 July 1915 |
| Rank on enlistment | Private |
| Unit name | 13th Light Horse Regiment, 6th Reinforcement |
| AWM Embarkation Roll number | 10/18/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on 27 October 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 1st Cyclists Battalion |
| Fate | Returned to Australia 15 May 1919 |
| Miscellaneous details (Nominal Roll) | *given names Edward Allwyn on photocopy |