Rank and organization:   Ordinary Seaman, U.S. Navy. Born: 1842, Baltimore,
Md. Accredited to: Maryland. G.O. No.: 391, 12 November 1891.
On board the flagship, U.S.S. Hartford, during action against rebel forts
and gunboats and with the ram Tennessee in Mobile Bay, 5 August 1864. Despite
damage to his ship and the loss of several men on board as enemy fire raked
her decks, Diggins, as loader of a gun, remained steadfast at his post
throughout the furious 2-hour battle which resulted in the surrender of
the rebel ram Tennessee and in the damaging and destruction of batteries
at Fort Morgan.
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)