County Named, 1825. For Captain John Edmonson, b. 1764, Va. In War of Revolution a private in company led by father. Battle of King's Mountain, 1782. Came to Ky., 1790. In War of 1812, raised rifle company in Fayette County. Killed at battle of River Raisin, Jan. 22, 1813. One of nine leaders killed then for whom Ky. counties are named. Edmonson formed from Grayson, Hart, Warren counties.