Michael McPeak
- 1994 – Michigan’s 1st congressional district (NL) – lost
Susan Ilene McPeak
- 1994 – Michigan’s 8th congressional district (NL) – lost
Charles Curtis McPeek, Sr.
- 2006 – Maryland’s 3rd congressional district (L) – lost
Isaac Vanburt McPherson
- 1920 – Missouri’s 15th congressional district (R) – won
Jackie McPherson
- 2014 – Arkansas’ 1st congressional district (D) – lost
James McPherson
- 1926 – Massachusetts’ 6th congressional district (D) – lost
John H. McPherson
- 1934 – Michigan’s 14th congressional district (R) – lost
Marian McQuade
- 1970 – West Virginia’s 5th congressional district (R) – lost
Dennis McQuaid
- 1980 – California’s 5th congressional district (R) – lost
- 1982 – California’s 6th congressional district (R) – lost
Wilfred T. McQuaid
- 1944 – Maryland’s 2nd congressional district (R) – lost
Dan McQueen
- 2022 – Texas’ 35th congressional district (R) – lost
Horace McQueen
- 1988 – Texas’ 1st congressional district (R) – lost
Mike McRedmond
- 2016 – Colorado’s 5th congressional district (L) – lost
David E. McReynolds
- 2004 – United States Senate (New York) (G) – lost
David McReynolds
- 1968 – New York’s 19th congressional district (PF) – lost
Don L. McReynolds
- 1990 – Virginia’s 4th congressional district (I) – lost
Samuel Davis McReynolds
- 1922 – Tennessee’s 3rd congressional district (D) – won
- 1924 – Tennessee’s 3rd congressional district (D) – won
- 1926 – Tennessee’s 3rd congressional district (D) – won
- 1928 – Tennessee’s 3rd congressional district (D) – won
- 1930 – Tennessee’s 3rd congressional district (D) – won
- 1932 – Tennessee’s 3rd congressional district (D) – won
- 1934 – Tennessee’s 3rd congressional district (D) – won
- 1936 – Tennessee’s 3rd congressional district (D) – won
- 1938 – Tennessee’s 3rd congressional district (D) – won
Tom T. McRitchie
- 1960 – Ohio’s 5th congressional district (D) – lost
Martha Elizabeth McSally
- 2012 – Arizona’s 2nd congressional district (R) – lost
- 2014 – Arizona’s 2nd congressional district (R) – won
- 2016 – Arizona’s 2nd congressional district (R) – won
- 2018 – United States Senate (Arizona) (R) – lost
- 2020 – United States Senate (Arizona) (Special) (R) – lost
William R. McShan
- 2010 – United States Senate (Louisiana) (R) – lost
Edgar R. McShane
- 1934 – Maryland’s 2nd congressional district (I) – lost
Charles T. McSherry
- 1940 – Michigan’s 3rd congressional district (D) – lost
Frank D. McSherry
- 1938 – Oklahoma’s 3rd congressional district (R) – lost
- 1940 – Oklahoma’s 3rd congressional district (R) – lost
- 1942 – Oklahoma’s 3rd congressional district (R) – lost
- 1952 – Oklahoma’s 3rd congressional district (R) – lost
- 1964 – Oklahoma’s 3rd congressional district (R) – lost
Michael J. McSherry
- 1982 – New York’s 19th congressional district (CON) – lost
Thomas R. McSherry
- 1966 – New Jersey’s 14th congressional district (R) – lost
Kyle E. McSlarrow
- 1992 – Virginia’s 8th congressional district (R) – lost
- 1994 – Virginia’s 8th congressional district (R) – lost
Clem Rogers McSpadden
- 1972 – Oklahoma’s 2nd congressional district (D) – won
Mark McSpadden
- 2002 – California’s 36th congressional district (L) – lost
John A. McSparran
- 1928 – Pennsylvania’s 10th congressional district (D) – lost
Richard W. McSpedon
- 1948 – New York’s 27th congressional district (D, Liberal) – lost
- 1958 – New York’s 27th congressional district (D, Liberal) – lost
John Jackson McSwain
- 1920 – South Carolina’s 4th congressional district (D) – won
- 1922 – South Carolina’s 4th congressional district (D) – won
- 1924 – South Carolina’s 4th congressional district (D) – won
- 1926 – South Carolina’s 4th congressional district (D) – won
- 1928 – South Carolina’s 4th congressional district (D) – won
- 1930 – South Carolina’s 4th congressional district (D) – won
- 1932 – South Carolina’s 4th congressional district (D) – won
- 1934 – South Carolina’s 4th congressional district (D) – won
Harold Barnett McSween
- 1958 – Louisiana’s 8th congressional district (D) – won
- 1960 – Louisiana’s 8th congressional district (D) – won
David McSweeney
- 2006 – Illinois’ 8th congressional district (R) – lost
John McSweeney, Jr.
- 1920 – Ohio’s 16th congressional district (D) – lost
- 1922 – Ohio’s 16th congressional district (D) – won
- 1924 – Ohio’s 16th congressional district (D) – won
- 1926 – Ohio’s 16th congressional district (D) – won
- 1928 – Ohio’s 16th congressional district (D) – lost
- 1936 – Ohio’s at large congressional district (D) – won
- 1938 – Ohio’s at large congressional district (D) – lost
- 1940 – United States Senate (Ohio) (D) – lost
- 1948 – Ohio’s 16th congressional district (D) – won
- 1950 – Ohio’s 16th congressional district (D) – lost
- 1952 – Ohio’s 16th congressional district (D) – lost
- 1956 – Ohio’s 16th congressional district (D) – lost
Francis J. McTernan, Jr.
- 1948 – California’s 4th congressional district (Ind. Prog.) – lost
Jimmy McVeay
- 1980 – Mississippi’s 5th congressional district (D) – lost
Brose A. McVey
- 2002 – Indiana’s 7th congressional district (R) – lost
Walter Lewis McVey, Jr.
- 1960 – Kansas’ 3rd congressional district (R) – won
William Estus McVey
- 1950 – Illinois’ 4th congressional district (R) – won
- 1952 – Illinois’ 4th congressional district (R) – won
- 1954 – Illinois’ 4th congressional district (R) – won
- 1956 – Illinois’ 4th congressional district (R) – won
James A. McVicar
- 1948 – Maine’s 1st congressional district (D) – lost
- 1952 – Maine’s 1st congressional district (D) – lost
Roy Harrison McVicker
- 1964 – Colorado’s 2nd congressional district (D) – won
- 1966 – Colorado’s 2nd congressional district (D) – lost
- 1968 – Colorado’s 2nd congressional district (D) – lost
Fred W. McWane
- 1922 – Virginia’s 6th congressional district (R) – lost
- 1924 – Virginia’s 6th congressional district (R) – lost
- 1932 – Virginia’s at large congressional district (R) – lost
- 1938 – Virginia’s 6th congressional district (R) – lost
- 1940 – Virginia’s 6th congressional district (R) – lost
Garland McWatters
- 2000 – Oklahoma’s 5th congressional district (D) – lost
Malcolm C. McWeeney
- 1966 – New Jersey’s 6th congressional district (CON) – lost
C. J. McWilliams
- 1920 – New York’s 3rd congressional district (D) – lost
Gordon S. McWilliams
- 1960 – California’s 19th congressional district (R) – lost
John Dacher McWilliams
- 1942 – Connecticut’s 2nd congressional district (R) – won
- 1944 – Connecticut’s 2nd congressional district (R) – lost
Frank McWright
- 1984 – Alabama’s 1st congressional district (D) – lost
F. Todd Meacham
- 1930 – 1930 – United States Senate (Tennessee) (Special) (R) – lost
- 1942 – United States Senate (Tennessee) (R) – lost
Clyde D. Mead
- 1920 – United States Senate (Wisconsin) (Proh.) – lost
