(1789-1842) Novelist, brother of Sir William Hamilton (q.v.), wrote a novel, Cyril Thornton (1827), which was received with great favour. He was an officer in the army, and, on his retirement, settled in Edinburgh, and became a contributor to Blackwood. He was also the author of Annals of the Peninsular Campaign (1829), and Men and Manners in America (1833).