Special election to fill vacancy caused by resignation of Fredrick Steiwer on January 31, 1938. Alfred E. Reames was initially appointed to the seat, but did not run in either the special election to complete the unexpired term or the regular election for the next term beginning January 3, 1939.
Source for Popular Vote data: Oregon Secretary of State. Abstract of Votes, Regular General Election, November 8, 1938, Oregon Secretary of State (http://records.sos.state.or.us/ORSOSWebDrawer/Record/8410996) (accessed 15 Sep 2023)