People from Marshall County

Beverly Joan Nelson (née Dunn; July 2, 1929) is an American politician in the state of Iowa. Nelson was born in Clemons, Iowa. She attended the Mercy School of Nursing (Dubuque), University of Iowa (B.S.N.), and Iowa State University (M.S. and PhD). A Republican, she served in the Iowa House of Representatives from 1995 to 2001 (64th district).

Donald Boyd Easum (August 27, 1923 – April 16, 2016) was an American diplomat.

Gerald Archie Mangun (March 11, 1919 – June 17, 2010), usually known as G. A. Mangun, built one of the largest churches of the United Pentecostal Church International denomination in the city of Alexandria, Louisiana.