Cornubia is the Latinized name for Cornwall.
(SwStr: t. 589; l. 210'; b. 24'6"; dph. 13'3"; s. 13 k.; cpl. 76; a. 1 20-pdr. r., 2 24-pdr. sb.)
Cornubia, a side wheel steamer, was captured by Niphon and James Adger off New Inlet, N.C., 8 November 1863 while running the blockade. She was purchased from the Boston Prize Court in November and commissioned 17 March 1864, Acting Volunteer Lieutenant C. F. W. Behm in command.
Assigned to the West Gulf Blockading Squadron, Cornubia sailed for New Orleans 18 April. 1864, arriving 8 May. She patrolled the waters off Mobile and around Pensacola until 12 July when she was ordered to report for blockade duty on the coast of Texas, remaining on this duty until the end of the war. She salvaged 89 bales of cotton thrown overboard by a blockade runner off Galveston on 20 April 1865; captured the schooner Chaos with valuable cotton cargo on 21 April; boarded the guard boat Le Compt at Galveston on 24 May and threw a 24-pdr. howitzer overboard as well as capturing small arms and a compass; and on the same day assisted in the destruction of the steamer Denbigh carrying important mail. After the evacuation of Galveston on 22 May, Cornubia removed harbor obstructions until 21 July when she put to sea for Philadelphia, arriving 3 August 1865. She was decommissioned there 9 August 1865 and sold 25 October 1865.