| Regimental number | 706 |
| Place of birth | Roma Queensland |
| Religion | Roman Catholic |
| Occupation | Driller |
| Address | Mitchell, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, John Barnes, Mitchell, Queensland |
| Enlistment date | 9 October 1914 |
| Date of enlistment from Nominal Roll | 9 November 1914 |
| Rank on enlistment | Private |
| Unit name | 5th Light Horse Regiment, 2nd Reinforcement |
| AWM Embarkation Roll number | 10/10/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A44 Vestalia on 19 December 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Light Horse Regiment |
| Fate | Returned to Australia 10 June 1915 |
| Family/military connections | Brother: 556 Corporal William Henry BARNES, 5th Light Horse Regiment, returned to Australia, 12 July 1918. |