| Regimental number | 501 |
| Place of birth | London, England |
| Religion | Church of England |
| Occupation | Butcher |
| Address | c/o Theosophical Society, Phillip Street, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Brother, Gerard Charles Barnes, 'Venice', Frenchman's Road, Randwick, Sydney, New South Wales |
| Enlistment date | 15 March 1915 |
| Date of enlistment from Nominal Roll | 10 March 1915 |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, B Company |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT Ceramic on 25 June 1915 |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Returned to Australia 28 March 1919 |