| Regimental number | 2820 |
| Place of birth | Sydney, New South Wales |
| Other training | Orchardist |
| Religion | Church of England |
| Occupation | Motor driver |
| Address | Railway Parade Hotel, Kogarah, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 10" |
| Weight | 132 lbs |
| Next of kin | Brother, Cecil John Barnes, Railway Parade Hotel, Kogarah, Sydney, New South Wales |
| Previous military service | Nil (previously rejected on account of 'poor physique') |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 33rd Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/50/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Died of disease |
| Date of death | |
| Age at death | 21 |
| Place of burial | St. Lawrence Churchyard (Grave No 23), Harefield, Middlesex, England |
| Panel number, Roll of Honour, Australian War Memorial | 121 |
| Miscellaneous information from cemetery records | Parents: John William and Louisa Maud BARNES |
| Family/military connections | Cousin: 3461 Pte Richard Tornaghi SIM, 6th Mechanical Transport Company, returned to Australia, 22 September 1919. |
| Other details |
War service Embarked Sydney, 8 November 1916; disembarked Devonport, England, 25 November 1916. Admitted to Fovant Military Hospital from Australian Details Camp, Sutton, Manderville, 22 February 1917 (bronchitis: severe). Died of disease (tuberculosis), 1st Australian Auxiliary Hospital, Harefield, 14 June 1917. Medal: British War Medal |
| Sources | NAA: B2455, BARNES Keith |