Abraham Lincoln visited Morganfield, Union County, Kentucky in 1840. He was in Shawneetown, Gallatin County, Illinois for a debate on the 5th of December and decided to pay a visit to Kentucky before returning to Shawneetown.
 Ralph V. Gary. Following in Lincoln's Footsteps: A Complete Annotated Reference to Hundreds of Historical Sites Visited by Abraham Lincoln, (Basic Books, 2002).
Published 12 February 2016, Western Kentucky Genealogy Blog, http://wkygenealogy.blogspot.com/