| Regimental number | 1173 |
| Place of birth | Yackandandah Victoria |
| Religion | Methodist |
| Occupation | Labourer |
| Address | Allans Flat, Yackandandah, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Robert Henry Mason, Allans Flat, Yackandandah, Victoria |
| Enlistment date | 26 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 SS Hawkes Bay on 26 October 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 13th Light Horse Regiment |
| Fate | Returned to Australia 19 October 1918 |
| Miscellaneous details (Nominal Roll) | *second given name two spellings Ildria and Ildrid |
