Paul Harvey Cunningham served nine consecutive terms as a Republican U.S. Representative from Iowa. First elected in 1940, he was re-elected eight times, and defeated in 1958.

Cassius Clay Dowell was a Republican U.S. Representative from Iowa. He served from 1915 to 1935, and again from 1937 until his death in 1940, with the interregnum caused by an unsuccessful campaign for reelection in 1934.