Marion is a city in and the county seat of Marion County, Kansas, United States. It was named in honor of Francis Marion, a Brigadier General of the American Revolutionary War, known as the "Swamp Fox". As of the 2010 census, the city population was 1,927.
For millennia, the land that is currently Kansas was inhabited by Native Americans. In 1803, most of modern Kansas was secured by the United States as part of the Louisiana Purchase. In 1806, Zebulon Pike led the Pike expedition westward from St Louis, Missouri, of which part of their journey followed the Cottonwood River through Marion County near the current towns of Florence, Marion, Durham.
In 1855, Marion County, where Marion is located, was founded. The city of Marion Centre was founded in 1860, became the county seat, and later the name was shortened to Marion.