Alternate name: Edmonson
Born in Tennessee, Edmonston moved to McDonough County from Indiana in 1829. He represented Calhoun, Mercer, Warren, and McDonough counties in the Illinois House of Representatives from 1832-34. He represented McDonough County in the Illinois House of Representatives from 1836-40. Around 1840, Edmonston moved to western Missouri.
History of McDonough County, Illinois (Springfield, IL: Continental Historical, 1885), 270, 810; John Clayton, comp., The Illinois Fact Book and Historical Almanac, 1673-1968 (Carbondale: Southern Illinois University Press, 1970), 203, 205, 207.