 |
|
Senator
|  |
Dates of Service
| |
Length of Service
| |
|
|
1. Robert C. Byrd (D-WV)
| |
Jan 3, 1959 to Jun 28, 2010
| |
51 years, 5 months, 26 days
| |
|
2. Daniel K. Inouye (D-HI)
| |
Jan 3, 1963 to Dec 17, 2012
| |
49 years, 11 months, 15 days
| |
|
3. Strom Thurmond (R-SC)
| |
Dec 14, 1954 to Apr 4, 1956
and Nov 7, 1956 to Jan 3, 2003
| |
47 years, 5 months, 8 days
| |
|
4. Edward M. Kennedy (D-MA)
| |
Nov 7, 1962 to Aug 25, 2009
| |
46 years, 9 months, 19 days
| |
|
5. Carl T. Hayden (D-AZ)
| |
Mar 4, 1927 to Jan 3, 1969
| |
41 years, 9 months, 30 days
| |
|
6. John Stennis (D-MS)
| |
Nov 5, 1947 to Jan 3, 1989
| |
41 years, 1 month, 29 days
| |
|
7. Ted Stevens (R-AK)
| |
Dec 24, 1968 to Jan 3, 2009
| |
40 years, 10 days
| |
|
8. Patrick J. Leahy (D-VT)
| |
Jan 3, 1975 to present
| |
38 years, 2 months, 12 days
| |
|
9. Ernest F. Hollings (D-SC)
| |
Nov 9, 1966 to Jan 3, 2005
| |
38 years, 1 month, 25 days
| |
|
10. Richard B. Russell (D-GA)
| |
Jan 12, 1933 to Jan 21, 1971
| |
38 years, 10 days
| |
|
11. Russell Long (D-LA)
| |
Dec 31, 1948 to Jan 3, 1987
| |
38 years, 3 days
| |
|
12. Francis E. Warren (R-WY)
| |
Nov 18, 1890 to Mar 3, 1893
and Mar 4, 1895 to Nov 24, 1929
| |
37 years, 4 days
| |
|
13. James Eastland (D-MS)
| |
Jun 30, 1941 to Sep 28, 1941
and Jan 3, 1943 to Dec 27, 1978
| |
36 years, 2 months, 24 days
| |
|
14. Orrin Hatch (R-UT)
| |
Jan 3, 1977 to present
| |
36 years, 2 months, 12 days
| |
|
15. Warren Magnuson (D-WA)
| |
Dec 14, 1944 to Jan 3, 1981
| |
36 years, 20 days
| |
|
16. Joseph R. Biden, Jr. (D-DE)
| |
Jan 3, 1973 to Jan 15, 2009
| |
36 years, 13 days
| |
|
17. Pete V. Domenici (R-NM)
| |
Jan 3, 1973 to Jan 3, 2009
| |
36 years
| |
|
17. Richard Lugar (R-IN)
| |
Jan 3, 1977 to Jan 3, 2013
| |
36 years
| |
|
17. Claiborne Pell (D-RI)
| |
Jan 3, 1961 to Jan 3, 1997
| |
36 years
| |
|
20. Kenneth D. McKellar (D-TN)
| |
Mar 4, 1917 to Jan 3, 1953
| |
35 years, 10 months
| |
|
21. Milton R. Young (R-ND)
| |
Mar 12, 1945 to Jan 3, 1981
| |
35 years, 9 months, 22 days
| |
|
22. Ellison D. Smith (D-SC)
| |
Mar 4, 1909 to Nov 17, 1944
| |
35 years, 8 months, 13 days
| |
|
23. Allen Joseph Ellender (D-LA)
| |
Jan 3, 1937 to Jul 27, 1972
| |
35 years, 6 months, 24 days
| |
|
24. William Boyd Allison (R-IA)
| |
Mar 4, 1873 to Aug 4, 1908
| |
35 years, 5 months
| |
|
25. John McClellan (D-AR)
| |
Jan 3, 1943 to Nov 28, 1977
| |
34 years, 11 months
| |
| |
