Hi Art: In the War of 1812, there were Black sailors who fought with U.S.Marines (white) at Bladensburg, Maryland, commanded by Commodore Joshua Barney. They put up a good fight, but had to retreat.
British Rear Admiral George Cockburn established a battalion of Royal Marines on Tangier Island, who were escaped slaves from the Chesapeake region. These newly trained Black Marines fought for the British at Bladensburg and forced the U.S. Salors and Marines to retreat. As you know they went on to burn the U.S. Capitol and the "Presidents House". The British Black Marines (Md. escaped slaves) contingent, took part in the unsuccessful attack upon Baltimore, Md., that inspired Francis Scott key to write the "Star Spangled Banner". These 200 or so "Colonial Marines" fought so well, their unit became a permanent part of Britain's North American Forces.
In 1812 a Militia was authorized by the New Orleans Council.
Isadore Honore "a free man of color" was commisioned by Gov. Claiborne as a Second Lt., in New Orleans and later they formed a new battalion of 350 "Free Men of Color". I don't know its designation.