A Naval Biographical Dictionary/Knox, Marcus
KNOX. (Lieutenant, 1840.)
Marcus Knox entered the Navy 1 Sept. 1824; passed his examination in 1831; and, including the civil war in 1834, was for many years employed on the north coast of Spain in the Castor 36, and North Star 28, both commanded by Lord John Hay. He obtained his commission 1 Aug. 1840; served for nearly two years as Lieutenant in the Phoenix steamer, Capt. John Kichardson, on the Mediterranean station; and since 22 Nov. 1842 has been in charge of a station in the Coast Guard.