James Martin II (1826 – October 29, 1895) was a native of Ireland who served in the U.S. Marine Corps during the mid-19th century. Rising up through the ranks from private to sergeant while fighting for the federal government of the United States (Union) during the American Civil War, he displayed conspicuous bravery on August 5, 1864, while serving aboard the USS Richmond. Operating one of that ship's guns under heavy enemy fire for two hours during the Battle of Mobile Bay, Alabama, he helped to damage the CSS Tennessee and destroy artillery batteries of the Confederate States Army at Fort Morgan, even as the enemy's shell and shot damaged his ship and killed several of his shipmates. In recognition of his gallantry, he was presented with the Medal of Honor, the United States' highest aw