Background
Buchanan was born on 7 August 1840, the son of Rt.
Buchanan was born on 7 August 1840, the son of Rt.
Sir Andrew Buchanan, 1st Baronet and Frances Katharine Mellish. There were no children from this marriage. He joined the Royal Navy being Mate on 12 April 1860, Lieutenant on 22 May 1861, and gained the rank of Commander in the service of the Royal Navy.
He was serving on HMS Geyser in 1862 under the command of Commander Colin Andrew Campbell.
By 1867 he was aboard HMS Antelope as Lieutenant Commander until he was invalided. He retired from the Royal Navy on 30 January 1873.
He succeeded to the title of 2nd Baronet Buchanan, of Dunburgh on 13 November 1882. He held the office of Justice of the Peace, and Deputy Lieutenant of Stirlingshire.