| Regimental number | 499 |
| Place of birth | Coonamble New South Wales |
| Religion | Congregational |
| Occupation | Farmer |
| Address | Trundle, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Robert T Mailer, 'Myee', Elizabeth Street, Zetland, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 36th Battalion, B Company |
| AWM Embarkation Roll number | 23/53/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 34th Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Commemorated on Commemorative Avenue, Trundle, New South Wales. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
