| Regimental number | 1910 |
| Place of birth | Box Hill New South Wales |
| School | Public School, Box Hill, New South Wales |
| Religion | Protestant |
| Occupation | Farming |
| Address | Nimbin, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, S A Buchanan, Nimbin, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/32/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A55 Kyarra on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 20 |
| Place of burial | Puchevillers British Cemeteyr (Plot III, Row F, Grave No. 14), France |
| Panel number, Roll of Honour, Australian War Memorial | 75 |
| Miscellaneous information from cemetery records | Parents: Samuel and Emily Mosley BUCHANAN, Alphadale, Lismore, New South Wales. Native of Richmond River, New South Wales |
| Family/military connections | Brother: 1911 Pte Donald Spencer BUCHANAN, 15th Bn, killed in action, 27 August 1915. |