| Regimental number | 3073 |
| Place of birth | Carlton, Victoria |
| School | Surrey Hills State School, Victoria |
| Religion | Presbyterian |
| Occupation | Carpenter |
| Address | Bona Vista Avenue, Surrey Hills |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Frederick Mawson, Bona Vista Avenue, Surrey Hills |
| Enlistment date | |
| Rank on enlistment | Sapper |
| Unit name | 5th Field Company Engineers |
| AWM Embarkation Roll number | 14/24/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 5th Field Company Engineers |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *second given name is William |
| Place of death or wounding | Ypres, Belgium |
| Age at death | 24 |
| Age at death from cemetery records | 24 |
| Place of burial | Ramparts Cemetery (Row J, Grave No. 24), Ypres, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 24 |
| Miscellaneous information from cemetery records | Parents: Frederick and Catherine MAWSON, 7 Kingsley Street, Camberwell, Victoria |