Art,

Joseph Frost is listed on Beverly Gray's EARLY OHIO PEOPLE OF COLOR - PART 2 at:

http://www.coax.net/people/lwf/opoc_pt2.htm

Also listed are Richard Douglas, a Trumpeteer, with Comodore Barney during the Battle of Bladensburgh, and James Richards of the British Navy who was brought to Chillicothe (Ross County) as a Prisoner of War in 1813 from Lake Erie.