Lyon is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

in Franklin County, in the U.S. state of

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

History

A post office called Lyon was established in 1879, and remained in operation until 1903. The community most likely takes its name from Lyon Township.

References

Unincorporated communities in Franklin County, Missouri Unincorporated communities in Missouri {{FranklinCountyMO-geo-stub