| Date of birth | |
| Other Names | BARNES, William Thomas~ |
| Religion | Church of England |
| Occupation | Engineer |
| Address | West End, Queensland |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Mother, Mrs Mary Jane Barnes, Roscommon Villa, West End, Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | 25th Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/42/6 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on |
| Promotions |
Lieutenant Unit: 25th Battalion Promotion date: |
| Fate | No details of fate entered on Nominal Roll |