The following is the entry for George Martin Hunter in William O'Byrnes 1849 'Naval Biographical Dictionary'.
HUNTER. (Commander, 1844.)George Martin Hunter is fourth son of General Sir Martin Hunter, G.C.M.G., G.C.H., of Medomsley, co. Durham, and Anton’s Hill, co. Berwick, a Deputy-Lieutenant for the latter shire, and Governor of Stirling Castle, by Jean, only daughter and heiress of Jas. Dickson, Esq., of Anton’s Hill. One of his brothers, James, is a Major in the Army; and two others, Robt. M‘Keller and Thos. Harvey, are officers in the Military Service of the Hon. E. I. Co.
This officer was made Lieutenant, 8 Dec. 1828, into the Harpy sloop, Capt. Chas. Rich; and afterwards appointed – 3 Aug. 1831, to the Racehorse 18, Capts. Chas. Hamlyn Williams and Fras. Vere Cotton, in the West Indies – 1 May, 1834, to the Portland 52, Capt. David Price, on the Mediterranean station – and, 7 Nov. 1838, to the command of the Camelion 10, employed in South America and the East Indies. He paid the latter vessel off towards the close of 1843; and has since been on half-pay. His promotion to the rank of Commander took place 3 May, 1844. Agents – Hallett and Robinson.