John Michael O’Connor was a Captain in the U.S. Army Artillery during the War of 1812.Three letters addressed to Miss Harriet O’Connor, City of New York, from her brother Jno [John] M. O’Connor, May-November 1813. The letters were written while O’Connor was fighting with the Americans during the War of 1812. The first letter is dated at Fort George, U.C., May 30, 1813. O’Connor describes the American attack on Fort George on May 25 and 27, writing that “…we attacked & carried Fort George and the Village of Newark, having killed, wounded & taken prisoners better than 400 British Regulars, exclusive of Militia…the enemy have abandoned all the Niagara frontier which is now in our possession, blown up their magazines & retreated with nea...