[3] It was named for Daniel Morgan, a distinguished general in the American Revolutionary War.

[4] The first white settler in the county was Daniel Williams, a traveling preacher from Virginia who built the first permanent home in the vicinity several miles south of present-day West Liberty.

During the Civil War, Morgan County was firmly pro-confederate in sentiment, donating hundreds of men to the 5th KY Infantry (CSA).

Morgan County was hit by an EF3 tornado on March 2, 2012, which cost the lives of six people and injured many others.

Morgan County had begun building a new court house in 2011, but the tornado delayed its construction to late 2013.

22.60% of all households were made up of individuals, and 10.30% had someone living alone who was 65 years of age or older.