- 1968 – California’s 32nd congressional district (AI) – lost
- 1970 – Massachusetts’ 5th congressional district (D) – lost
- 1948 – New York’s 44th congressional district (American Labor) – lost
Robert Williams (Pennsylvania)
- 2020 – Pennsylvania’s 15th congressional district (D) – lost
Robert Williams (South Carolina)
- 2018 – South Carolina’s 7th congressional district (D) – lost
- 2014 – Texas’ 25th congressional district (R) – won
- 2016 – Texas’ 25th congressional district (R) – won
- 2018 – Texas’ 25th congressional district (R) – won
- 2020 – Texas’ 25th congressional district (R) – won
- 2012 – Mississippi’s 4th congressional district (L) – lost
- 2002 – United States Senate (Texas) (G) – lost
- 1924 – United States Senate (Tennessee) (I) – lost
- 1924 – North Carolina’s 7th congressional district (R) – lost
- 1926 – North Carolina’s 7th congressional district (R) – lost
- 1922 – Tennessee’s 7th congressional district (Special) (R) – lost
- 2018 – Texas’ 16th congressional district (I-W/I) – lost
- 2010 – United States Senate (Alaska) (W/I) – lost
- 1928 – Tennessee’s 3rd congressional district (R) – lost
- 2012 – United States Senate (Minnesota) (Ind) – lost
- 2020 – New York’s 24th congressional district (WF) – lost
- 1936 – Oklahoma’s 5th congressional district (I) – lost
- 1944 – United States Senate (Oklahoma) (I) – lost
- 1944 – Ohio’s 5th congressional district (D) – lost
- 1920 – Illinois’ 24th congressional district (R) – won
- 1922 – Illinois’ 24th congressional district (R) – won
- 1924 – Illinois’ 24th congressional district (R) – won
- 1926 – Illinois’ 24th congressional district (R) – won
- 1928 – Illinois’ 24th congressional district (R) – won
- 2022 – United States Senate (Utah) (AI) – lost
- 1996 – New Jersey’s 10th congressional district (R) – lost
- 2018 – Virginia’s 1st congressional district (D) – lost
- 2008 – Pennsylvania’s 7th congressional district (R) – lost
- 1932 – United States Senate (Maryland) (R) – lost
- 1920 – New Jersey’s 12th congressional district (R) – lost
- 1950 – United States Senate (Washington) (R) – lost
- 1992 – California’s 10th congressional district (D) – lost
- 2022 – Michigan’s 6th congressional district (R) – lost
- 1926 – New Jersey’s 4th congressional district (D) – lost
William R. Williams (California)
- 1990 – California’s 28th congressional district (PF) – lost
- 1992 – California’s 32nd congressional district (PF) – lost
- 1950 – New York’s 35th congressional district (R) – won
- 1952 – New York’s 34th congressional district (R) – won
- 1954 – New York’s 34th congressional district (R) – won
- 1956 – New York’s 34th congressional district (R) – won
- 1962 – Ohio’s 19th congressional district (R) – lost
- 1922 – Connecticut’s 3rd congressional district (S) – lost
- 1962 – Delaware’s at large congressional district (R) – lost
- 1930 – United States Senate (Kentucky) (Special) (D) – won
- 1994 – California’s 45th congressional district (D) – lost
- 1994 – Missouri’s 1st congressional district (L) – lost
- 1982 – Texas’ 3rd congressional district (L) – lost
- 2002 – Tennessee’s 2nd congressional district (I) – lost
- 2000 – California’s 32nd congressional district (R) – lost
- 2010 – California’s 42nd congressional district (D) – lost
- 2012 – California’s 42nd congressional district (D) – lost
- 1982 – Washington’s 3rd congressional district (I) – lost
- 2010 – Iowa’s 3rd congressional district (SW) – lost
- 1992 – United States Senate (Illinois) (R) – lost
- 1994 – Michigan’s 7th congressional district (NL) – lost
- 1996 – Michigan’s 7th congressional district (NL) – lost
- 2014 – Arizona’s 6th congressional district (D) – lost
- 2016 – Arizona’s 6th congressional district (D) – lost
- 1920 – South Dakota’s 3rd congressional district (R) – won
- 1922 – South Dakota’s 3rd congressional district (R) – won
- 1924 – South Dakota’s 3rd congressional district (R) – won
- 1926 – South Dakota’s 3rd congressional district (R) – won
- 1928 – South Dakota’s 3rd congressional district (R) – won
- 1930 – South Dakota’s 3rd congressional district (R) – won
- 1932 – South Dakota’s 2nd congressional district (R) – lost
- 1984 – Texas’ 7th congressional district (D) – lost
- 1938 – Wisconsin’s 6th congressional district (Union) – lost
- 1922 – Pennsylvania’s 4th congressional district (D) – lost