The Republican Manvel H. Davis came in second in the 1940 United States Senate election in Missouri (held on November 5, 1940) with 48.73% (886,376) of total votes.
The 1940 United States Senate election in Missouri was held on November 5, 1940. Republican Manvel H. Davis 886,376 48.73 Democratic Harry S. Truman (incumbent) 51.17 W.F. Rinck 0.09 Theodore Baeff 0.01 
