Reelections to additional full terms are omitted from summaries. “Resigned” indicates that the senator left office before completion of his last election term, while “retired” indicates that the senator completed a term but not seek reelection. Bold type for a range of dates indicates that at least one full Senate term was served during that period

Senators who served in both of their state’s Senate seats (21):

  • Frank R. Lautenberg (D-NJ): 1982-2001 (elected to Class 1 seat, subsequently appointed to fill unexpired term, retired), 2003-present (elected to Class 2 seat, currently serving)
  • Kent Conrad* (D-ND): 1987-1992 (elected to Class 3 seat, retired), 1992-present (won special election to Class 1 seat, won regular election to new term, currently serving)
  • Slade Gorton (R-WA): 1981-1987 (elected to Class 3 seat, defeated for reelection), 1989-2001 (elected to Class 1 seat, defeated for reelection)
  • Howard M. Metzenbaum (D-OH): 1974 (appointed to Class 3 seat, defeated in regular election, resigned), 1976-1995 (elected to Class 1 seat, subsequently appointed to fill unexpired term, retired)
  • Hubert H. Humphrey, Jr. (D-MN): 1949-1964 (elected to Class 2 seat, resigned), 1971-1978 (elected to Class 1 seat, died in office)
  • Barry Goldwater (R-AZ): 1953-1965 (elected to Class 1 seat, retired), 1969-1987 (elected to Class 3 seat, retired)
  • William A. Blakley (D-TX): 1957 (appointed to Class 1 seat, retired), 1961 (appointed to Class 2 seat, defeated in special election)
  • William Chapman Revercomb (R-WV): 1943-1949 (elected to Class 2 seat, defeated for reelection), 1956-1959 (won special election to Class 1 seat, defeated in regular election)
  • Alben W. Barkley (D-KY): 1927-1949 (elected to Class 3 seat, resigned), 1955-1956 (elected to Class 2 seat, died in office)
  • Joseph C. O’Mahoney (D-WY): 1934-1953 (appointed to Class 1 seat, won special election to fulfill remainder of term, won regular election to new term, defeated for reelection), 1954-1961 (won special election to Class 2 seat, won regular election to new term, retired)
  • William A. Purtell (R-CT): 1952 (appointed to Class 3 seat, did not seek full term), 1953-1959 (elected to Class 1 seat, defeated for reelection)
  • Matthew M. Neely (D-WV): 1923-1929 (elected to Class 1 seat, defeated for reelection), 1931-1941 (elected to Class 2 seat, resigned), 1949-1958 (elected to Class 2 seat, died in office)
  • Guy M. Gillette (D-IA): 1936-1945 (won special election to Class 3 seat, won regular election for new term, defeated for reelection), 1949-1955 (elected to Class 2 seat, defeated for reelection)
  • William E. Jenner (R-IN): 1944-1945 (won special election to Class 3 seat, retired), 1947-1959 (elected to Class 1 seat, retired)
  • Henry Cabot Lodge, Jr. (R-MA): 1937-1944 (elected to Class 2 seat, resigned), 1947-1953 (elected to Class 1 seat, defeated for reelection)
  • John W. Thomas (R-ID): 1928-1933 (appointed to Class 3 seat, won special election to fulfill remainder of term, defeated in regular election), 1940-1945 (appointed to Class 2 seat, won special election fulfill remainder of term, won regular election for new term, died in office)
  • William W. Barbour (R-NJ): 1931-1937 (appointed to Class 2 seat, won special election to fulfill remainder of term, defeated in regular election), 1938-1943 (won special election to Class 1 seat, won regular election to new term, died in office)
  • Thomas P. Gore (D-OK): 1907-1921 (elected by legislature to Class 3 seat, reelected by popular vote, defeated for reelection), 1931-1937 (elected to Class 2 seat, defeated for reelection)
  • Smith W. Brookhart (R-IA): 1922-1926 (won special election to Class 2 seat, lost contested election for full term), 1927-1933 (elected to Class 3 seat, defeated for reelection)
  • David I. Walsh (D-MA): 1919-1925 (elected to Class 2 seat, defeated for reelection), 1926-1947 (won special election to Class 1 seat, won regular election to new term, defeated for reelection)
  • T. Coleman du Pont (R-DE): 1921-1922 (appointed to Class 1 seat, defeated in special election), 1925-1928 (elected to Class 2 seat, resigned from office)

Senators who served nonconsecutive terms in the same Senate seat (12):

  • Dan Coats (R-IN): 1989-1999 (appointed, won special election to fulfill remainder of term, won regular election to new term, retired), 2011-present (won regular election, currently serving)
  • Norris Cotton (R-NH): 1954-1974 (won special election, won regular election to new term, retired), 1975 (appointed, retired)
  • Strom Thurmond (D/R-SC): 1954-1956 (won regular election, subsequently appointed to fulfill unexpired term, resigned), 1956-2003 (won special election, won regular election to new term, retired)
  • John Sherman Cooper (R-KY): 1946-1949 (won special election, defeated in regular election), 1952-1955 (won special election, defeated in regular election), 1956-1972 (won special election, won regular election to new term, retired)
  • Henry Clarence Dworshak (R-ID): 1946-1949 (won special election, defeated in regular election), 1949-1962 (appointed, won special election to fulfill remainder of term, won regular election to new term, died in office)
  • Matthew M. Neely (D-WV): 1923-1929 (elected to Class 1 seat, defeated for reelection), 1931-1941 (elected to Class 2 seat, resigned), 1949-1958 (elected to Class 2 seat, died in office)
  • James O. Eastland (D-MS): 1941 (appointed, retired), 1943-1978 (won regular election, resigned)
  • Joseph H. Ball (R-MN): 1940-1942 (appointed, retired), 1943-1949 (won regular election, defeated for reelection)
  • Peter G. Gerry (D-RI): 1917-1929 (won regular election, defeated for reelection), 1935-1947 (won regular election, defeated for reelection)
  • Alva Adams (D-CO): 1923-1924 (appointed, retired), 1933-1941 (won regular election, died in office)
  • Bronson Cutting (R-NM): 1927-1928 (appointed, retired), 1929-1935 (won regular election, died in office)
  • Charles L. McNary (R-OR): 1917-1918 (appointed, retired), 1918-1944 (won regular election, subsequently appointed to fill unexpired term, died in office)

* Kent Conrad’s service in the Senate was technically not in nonconsecutive terms as he only resigned the Class 3 seat in order to take the Class 1 seat he had won in a special election that occurred during his first term as a Class 3 senator.

Sources: CQ Press Guide to U.S. Elections and Biographical Directory of the United States Congress (http://bioguide.congress.gov).