History / Congress

U.S. Senate seat, Delaware (class 1)

42 members have held this seat since Mar 4, 1789. Now: Lisa Blunt Rochester D.

Holders
42
17 D · 9 R · 6 F · 4 W · 2 U · 1 PA · 1 A · 1 J · 1 AJ
Longest tenure
30 years
William V. Roth Jr.
Current
21 months
Lisa Blunt Rochester, since Jan 3, 2025
history/seat/de-sen-1Every holder, newest first
+42
180018201840186018801900192019401960198020002020George Read · 1789-03-04 – 1791-03-04 · Pro-AdministrationGeorge Read · 1791-10-24 – 1794-01-01Henry Latimer · 1795-12-07 – 1797-03-04 · FederalistHenry Latimer · 1797-05-15 – 1802-01-01 · FederalistSamuel White · 1803-10-17 – 1809-03-04 · FederalistOuterbridge Horsey · 1810-01-01 – 1815-03-04 · FederalistOuterbridge Horsey · 1815-12-04 – 1821-03-04 · FederalistCaesar Augustus Rodney · 1822-01-24 – 1823-01-30 · RepublicanThomas Clayton · 1824-01-01 – 1827-03-04 · AdamsLouis McLane · 1827-12-03 – 1830-01-01 · JacksonArnold Naudain · 1830-01-01 – 1833-03-04 · Anti-JacksonianArnold Naudain · 1833-12-02 – 1837-03-04Richard Henry Bayard · 1841-05-31 – 1845-03-04 · WhigJohn Middleton Clayton · 1845-12-01 – 1850-01-01 · WhigJames Asheton Bayard Jr. · 1851-12-01 – 1857-03-04 · DemocratJames Asheton Bayard Jr. · 1857-12-07 – 1863-03-04 · DemocratJames Asheton Bayard Jr. · 1863-12-07 – 1865-03-04 · DemocratJames Asheton Bayard Jr. · 1867-03-04 – 1869-03-04 · DemocratThomas Francis Bayard Sr. · 1869-03-04 – 1875-03-04 · DemocratThomas Francis Bayard Sr. · 1875-12-06 – 1881-03-04 · DemocratThomas Francis Bayard Sr. · 1881-12-05 – 1886-01-01 · DemocratGeorge Gray · 1887-12-05 – 1893-03-04 · DemocratGeorge Gray · 1893-08-07 – 1899-03-04 · DemocratLewis Heisler Ball · 1903-11-09 – 1905-03-04 · RepublicanHenry Algernon du Pont · 1906-06-13 – 1911-03-04 · RepublicanHenry Algernon du Pont · 1911-04-04 – 1917-03-04 · RepublicanJosiah Oliver Wolcott · 1917-04-02 – 1921-07-03 · DemocratThomas Coleman du Pont · 1921-07-07 – 1922-11-08 · RepublicanThomas Francis Bayard Jr. · 1922-11-08 – 1923-03-04 · DemocratThomas Francis Bayard Jr. · 1923-12-03 – 1929-03-04 · DemocratJohn Gillis Townsend Jr. · 1929-04-15 – 1941-01-04 · RepublicanJohn James Williams · 1947-01-03 – 1959-01-04 · RepublicanJohn James Williams · 1959-01-07 – 1971-01-04 · RepublicanWilliam V. Roth Jr. · 1971-01-21 – 2001-01-04 · RepublicanLisa Blunt Rochester · 2025-01-03 – present · DemocratSamuel White · 1801-12-07 – 1803-03-04 · FederalistRichard Henry Bayard · 1836-06-17 – 1839-03-04 · WhigJohn Wales · 1849-12-03 – 1851-03-04 · WhigGeorge Read Riddle · 1864-01-01 – 1868-01-01 · DemocratGeorge Gray · 1885-12-07 – 1887-03-04 · DemocratJames Miller Tunnell · 1941-01-03 – 1947-01-04 · DemocratThomas R. Carper · 2001-01-03 – 2025-01-04 · Democrat
Lisa Blunt Rochester D
Jan 3, 2025 – present · 21 months
Thomas R. Carper D
Jan 3, 2001 – Jan 4, 2025 · 24 years
William V. Roth Jr. R
Jan 21, 1971 – Jan 4, 2001 · 30 years
John James Williams R
Jan 7, 1959 – Jan 4, 1971 · 12 years
John James Williams R
Jan 3, 1947 – Jan 4, 1959 · 12 years
James Miller Tunnell D
Jan 3, 1941 – Jan 4, 1947 · 6 years
John Gillis Townsend Jr. R
Apr 15, 1929 – Jan 4, 1941 · 12 years
Thomas Francis Bayard Jr. D
Dec 3, 1923 – Mar 4, 1929 · 5.3 years
Thomas Francis Bayard Jr. D
Nov 8, 1922 – Mar 4, 1923 · 4 months
Thomas Coleman du Pont R
Jul 7, 1921 – Nov 8, 1922 · 16 months
Josiah Oliver Wolcott D
Apr 2, 1917 – Jul 3, 1921 · 4.3 years
Henry Algernon du Pont R
Apr 4, 1911 – Mar 4, 1917 · 5.9 years
Henry Algernon du Pont R
Jun 13, 1906 – Mar 4, 1911 · 4.7 years
Lewis Heisler Ball R
Nov 9, 1903 – Mar 4, 1905 · 16 months
George Gray D
Aug 7, 1893 – Mar 4, 1899 · 5.6 years
George Gray D
Dec 5, 1887 – Mar 4, 1893 · 5.2 years
George Gray D
Dec 7, 1885 – Mar 4, 1887 · 15 months
Thomas Francis Bayard Sr. D
Dec 5, 1881 – Jan 1, 1886 · 4.1 years
Thomas Francis Bayard Sr. D
Dec 6, 1875 – Mar 4, 1881 · 5.2 years
Thomas Francis Bayard Sr. D
Mar 4, 1869 – Mar 4, 1875 · 6 years
James Asheton Bayard Jr. D
Mar 4, 1867 – Mar 4, 1869 · 2 years
George Read Riddle D
Jan 1, 1864 – Jan 1, 1868 · 4 years
James Asheton Bayard Jr. D
Dec 7, 1863 – Mar 4, 1865 · 15 months
James Asheton Bayard Jr. D
Dec 7, 1857 – Mar 4, 1863 · 5.2 years
James Asheton Bayard Jr. D
Dec 1, 1851 – Mar 4, 1857 · 5.3 years
John Wales W
Dec 3, 1849 – Mar 4, 1851 · 15 months
John Middleton Clayton W
Dec 1, 1845 – Jan 1, 1850 · 4.1 years
Richard Henry Bayard W
May 31, 1841 – Mar 4, 1845 · 3.8 years
Richard Henry Bayard W
Jun 17, 1836 – Mar 4, 1839 · 2.7 years
Arnold Naudain
Dec 2, 1833 – Mar 4, 1837 · 3.3 years
Arnold Naudain AJ
Jan 1, 1830 – Mar 4, 1833 · 3.2 years
Louis McLane J
Dec 3, 1827 – Jan 1, 1830 · 2.1 years
Thomas Clayton A
Jan 1, 1824 – Mar 4, 1827 · 3.2 years
Caesar Augustus Rodney R
Jan 24, 1822 – Jan 30, 1823 · 12 months
Outerbridge Horsey F
Dec 4, 1815 – Mar 4, 1821 · 5.2 years
Outerbridge Horsey F
Jan 1, 1810 – Mar 4, 1815 · 5.2 years
Samuel White F
Oct 17, 1803 – Mar 4, 1809 · 5.4 years
Samuel White F
Dec 7, 1801 – Mar 4, 1803 · 15 months
Henry Latimer F
May 15, 1797 – Jan 1, 1802 · 4.6 years
Henry Latimer F
Dec 7, 1795 – Mar 4, 1797 · 15 months
George Read
Oct 24, 1791 – Jan 1, 1794 · 2.2 years
George Read PA
Mar 4, 1789 – Mar 4, 1791 · 2 years

Dates are from the @unitedstates congress-legislators project. Consecutive terms of one person are merged.