A Naval Biographical Dictionary/Coham, Lewis Heysett
COHAM. (Lieutenant, 1828.)
Lewis Heysett Coham entered the Navy 22 June, 1813; passed his examination in 1823; obtained a Lieutenancy, 26 June, 1828, in the Magnificent, Capt. Geo. Wm. Conway Courtenay, receiving-ship at Jamaica; and was next appointed, 11 Jan. 1829, to the Mersey 26, commanded by the same officer. He has been on half-pay since 1830.