| Regimental number | 1849 |
| Place of birth | Broadford, Victoria |
| Religion | Presbyterian |
| Occupation | Coppersmith |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, D Buchanan, 43 Clarke Street, Northcote, Victoria |
| Enlistment date | 22 January 1915 |
| Rank on enlistment | Private |
| Unit name | 8th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/25/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A18 Wiltshire on 14 April 1915 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 8th Light Trench Mortar Battery |
| Fate | Returned to Australia 6 April 1917 |
| Family/military connections | Brother: 1854 Pte Donald BUCHANAN, 32nd Bn, returned to Australia, 9 March 1919. |