Rank and organization: Quartermaster, U.S. Navy. Born: 1832 Boston,
Mass. Accredited to: Massachusetts. G.O. No.: 11, 3 April 1863.
As captain of No. 2 gun on board the U.S.S. Galena in the attack upon Drewy's
Bluff, 15 May 1862. With his ship severely damaged by the enemy's shellfire
and several men killed and wounded Regan, continued to man his gun throughout
the engagement despite the concentration of fire directed against men at
their guns by enemy sharpshooters in rifle pits along the banks.
This data was extracted from the Committee on Veterans' Affairs, U.S. Senate, Medal of Honor Recipients: 1863-1973 (Washington, D.C.: Government Printing Office, 1973)