| Regimental number | 4364 |
| Place of birth | Brisbane Queensland |
| Religion | Church of England |
| Occupation | Clerk |
| Address | Devereaux Street, Charters Towers, Queensland |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Walter Mason, Devereaux Street, Charters Towers, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 26th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/43/3 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A16 Star Of Victoria on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 26th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *given name two spellings Sydney and Sidney |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
