It was later named for Charles Day, the contractor who built the first courthouse in the county seat, the now-defunct town of Ioland, Oklahoma.
[b] Second, Ioland was not a convenient location for the majority of county residents, who lived on the other side of the Canadian River.
[3] The burning political issue in Day County was the question whether land should be free-range (i. e., unfenced) or whether the movement of cattle should be restricted.
However, Texas law did not apply when the U. S. created Oklahoma Territory (thus giving rise to Day County).
The Arapaho Bee reported on May 17, 1901 that a posse of cattlemen lynched a resident of Ioland, after he had been accused of poisoning roaming cattle.