| Place of birth | Auckland New Zealand |
| Religion | Church of England |
| Occupation | Licensed surveyor |
| Address | 'Ringabi', Corner Reid and Boyle Streets, Mosman, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, William Henry Mason, 'Ringabi', Corner Reid and Boyle Streets, Mosman, New South Wales |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 9th Field Company Engineers |
| AWM Embarkation Roll number | 14/28/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A31 Ajana on |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 3rd Divisional Engineers |
| Recommendations (Medals and Awards) |
Military Cross Recommendation date: Military Cross Recommendation date: Military Cross Recommendation date: |
| Fate | Returned to Australia |
| Medals |
Military Cross 'For conspicuous gallantry and devotion to duty. With a section of sappers he constructed two barrel bridges across a river under heavy shell fire. By his energy and fine example of utter disregard for personal safety, communication across the river was restored at a critical time.'
Source: 'Commonwealth Gazette' No. 185 Date: |
| Other details | Medals: Military Cross, British War Medal, Victory Medal |