Marlo 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 ...

Ste. Genevieve County Sainte Genevieve County, often abbreviated Ste. Genevieve County (French: Ste-Geneviève), is a county located in the eastern portion of the U.S. state of Missouri. As of the 2020 census, the population was 18,479. The largest city and 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 ...

. The community's name most likely is partially derived from marble, since there were deposits of marble near the original town site.

References

Unincorporated communities in Ste. Genevieve County, Missouri Unincorporated communities in Missouri {{SainteGenevieveCountyMO-geo-stub