Found the Leon information. This is from Mason County Family History.
Leon was incorporated on May 21 1872. Consisted of 1 square mile.John Nelson, son in law of William Arbuckle, built the first cabin in 1798. "The town of Leonwas laid out in 1840 by Benjamin Byram and enlarged in 1871 by Colonel Robert Patton having in that year purchased an adjoining tract of land and laid out a portion of it in town lots."