| Regimental number | 6917 |
| Place of birth | Adelaide, South Australia |
| Religion | Church of England |
| Occupation | Warehouseman |
| Address | Wood Street, Millswood, South Australia |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, Justice A Buchanan, Supreme Court, Adelaide, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 8th Infantry Brigade, 8th Field Ambulance Sections B and C |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Australian General Hospital |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 13353 Warrant Officer Alexander BUCHANAN, Australian Motor Transport Section, returned to Australia, 23 March 1919; 2133 Pte Robert Keith BUCHANAN, 5th Motor Transport Section, returned to Australia, 4 July 1919. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |