List of United States senators from Pennsylvania
Appearance
This is a chronological listing of the United States Senators from Pennsylvania.
United States Senators are popularly elected, for a six-year term, beginning January 3. Elections are held the first Tuesday after November 1. Before 1914, they were chosen by the Pennsylvania General Assembly, and before 1935, their terms began March 4.
List of Senators
Class 1Class 1 U.S. Senators belong to the electoral cycle that has recently been contested in 1994, 2000, 2006, and 2012. The next election will be in 2018. | C | Class 3Class 3 U.S. Senators belong to the electoral cycle that has recently been contested in 1998, 2004, and 2010. The next election will be in 2016. | ||||||||||
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# | Senator | Party | Dates in office | Electoral history | T | T | Electoral history | Dates in office | Party | Senator | # | |
1 | ![]() William Maclay |
Anti-Administration | March 4, 1789 – March 3, 1791 |
Elected in 1788. Lost re-election. |
1 | 1st | 1 | Elected in 1788. Retired. |
March 4, 1789 – March 3, 1795 |
Pro- Administration |
![]() Robert Morris |
1 |
Vacant | March 4, 1791 – December 1, 1793 |
2 | 2nd | |||||||||
3rd | ||||||||||||
2 | ![]() Albert Gallatin |
Anti-Administration | December 2, 1793 – February 28, 1794 |
Elected in early 1793. Election voided for failure to meet the residency requirements for eligibility to the office. | ||||||||
Vacant | March 1, 1794 – April 23, 1794 |
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3 | ![]() James Ross |
Federalist | April 24, 1794 – March 3, 1803 |
Elected to finish Gallatin's term | ||||||||
4th | 2 | Elected in 1795. Retired. |
March 4, 1795 – March 3, 1801 |
Federalist | ![]() William Bingham |
2 | ||||||
Re-elected in 1797. Retired. |
3 | 5th | ||||||||||
6th | ||||||||||||
7th | 3 | Elected in 1801. Resigned to become Supervisor of Revenue for Pennsylvania. |
March 4, 1801 – June 30, 1801 |
Democratic- Republican |
![]() J. Peter G. Muhlenberg |
3 | ||||||
June 30, 1801 – December 17, 1801 |
Vacant | |||||||||||
Elected to finish Muhlenberg's term. Retired. |
December 17, 1801 – March 3, 1807 |
Democratic- Republican |
![]() George Logan |
4 | ||||||||
4 | Samuel Maclay | Democratic- Republican |
March 4, 1803 – January 4, 1809 |
Elected in 1802. Resigned, believing he would lose re-election. |
4 | 8th | ||||||
9th | ||||||||||||
10th | 4 | Elected in 1806. Retired. |
March 4, 1807 – March 3, 1813 |
Democratic- Republican |
![]() Andrew Gregg |
5 | ||||||
Vacant | January 4, 1809 – January 9, 1809 |
Vacant | ||||||||||
5 | ![]() Michael Leib |
Democratic- Republican |
January 9, 1809 – February 14, 1814 |
Elected to finish Maclay's term, having already won election to the next term. | ||||||||
Elected in 1808. Resigned to become Postmaster of Philadelphia. |
5 | 11th | ||||||||||
12th | ||||||||||||
13th | 5 | Elected in 1812. Retired. |
March 4, 1813 – March 3, 1819 |
Democratic- Republican |
![]() Abner Lacock |
6 | ||||||
Vacant | February 14, 1814 – February 24, 1814 |
Vacant | ||||||||||
6 | ![]() Jonathan Roberts |
Democratic- Republican |
February 24, 1814 – March 3, 1821 |
Elected to finish Leib's term | ||||||||
Re-elected in late 1814. [data missing] |
6 | 14th | ||||||||||
15th | ||||||||||||
16th | 6 | Elected in 1818. Retired. |
March 4, 1819 – March 3, 1825 |
Democratic- Republican |
![]() Walter Lowrie |
7 | ||||||
Vacant | March 4, 1821 – December 10, 1821 |
Legislature failed to elect | 7 | 17th | ||||||||
7 | ![]() William Findlay |
Democratic- Republican |
December 10, 1821 – March 3, 1827 |
Elected late in 1821. Retired. | ||||||||
Jacksonian Republican |
18th | Crawford Republican | ||||||||||
Jacksonian | 19th | 7 | Elected in 1825. Lost re-election. |
March 4, 1825 – March 3, 1831 |
Anti-Jacksonian | ![]() William Marks |
8 | |||||
8 | ![]() Isaac D. Barnard |
Jacksonian | March 4, 1827 – December 6, 1831 |
Elected in 1826. Resigned to due ill health. |
8 | 20th | Adams | |||||
21st | Anti-Jacksonian | |||||||||||
22nd | 8 | Elected in 1830. Resigned to become U.S. Minister to Russia. |
March 4, 1831 – June 30, 1834 |
Jacksonian | ![]() William Wilkins |
9 | ||||||
Vacant | December 6, 1831 – December 13, 1831 |
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9 | ![]() George Mifflin Dallas |
Jacksonian | December 13, 1831 – March 3, 1833 |
Elected to finish Barnard's term. Retired. | ||||||||
Vacant | March 4, 1833 – December 7, 1833 |
Legislature failed to elect. | 9 | 23rd | ||||||||
10 | ![]() Samuel McKean |
Jacksonian | December 7, 1833 – March 3, 1839 |
Elected late in 1833. [data missing] | ||||||||
June 30, 1834 – December 6, 1834 |
Vacant | |||||||||||
Elected to finish Wilkins's term. [data missing] |
December 6, 1834 – March 5, 1845 |
Jacksonian | ![]() James Buchanan |
10 | ||||||||
24th | ||||||||||||
Democratic | 25th | 9 | Re-elected in 1836. | Democratic | ||||||||
Vacant | March 4, 1839 – January 14, 1840 |
Legislature failed to elect | 10 | 26th | ||||||||
11 | ![]() Daniel Sturgeon |
Democratic | January 14, 1840 – March 3, 1851 |
Elected late in 1840. | ||||||||
27th | ||||||||||||
28th | 10 | Re-elected in 1843. Resigned to become U.S. Secretary of State. | ||||||||||
Re-elected in 1845. Retired. |
11 | 29th | ||||||||||
March 5, 1845 – March 13, 1845 |
Vacant | |||||||||||
Elected in 1845. Retired. |
March 13, 1845 – March 3, 1849 |
Democratic | ![]() Simon Cameron |
11 | ||||||||
30th | ||||||||||||
31st | 11 | Elected in 1849. [data missing] |
March 4, 1849 – March 3, 1855 |
Whig | ![]() James Cooper |
12 | ||||||
12 | File:RichardBrodhead.jpg Richard Brodhead |
Democratic | March 4, 1851 – March 3, 1857 |
Elected in 1851. [data missing] |
12 | 32nd | ||||||
33rd | ||||||||||||
34th | 12 | Legislature failed to elect in 1856 | March 4, 1855 – January 14, 1856 |
Vacant | ||||||||
Elected late in 1856. Retired. |
January 14, 1856 – March 3, 1861 |
Democratic | ![]() William Bigler |
13 | ||||||||
13 | ![]() Simon Cameron |
Republican | March 4, 1857 – March 3, 1861 |
Elected in 1857. Resigned to become U.S. Secretary of War. |
13 | 35th | ||||||
36th | ||||||||||||
Vacant | March 4, 1861 – March 14, 1861 |
37th | 13 | Elected in 1861. Lost re-election. |
March 4, 1861 – March 3, 1867 |
Republican | ![]() Edgar Cowan |
14 | ||||
14 | ![]() David Wilmot |
Republican | March 14, 1861 – March 3, 1863 |
Elected in 1861 to finish Cameron's term. Retired. | ||||||||
15 | ![]() Charles R. Buckalew |
Democratic | March 4, 1863 – March 3, 1869 |
Elected in 1863. [data missing] |
14 | 38th | ||||||
39th | ||||||||||||
40th | 14 | Elected in 1867. | March 4, 1867 – March 12, 1877 |
Republican | ![]() Simon Cameron |
15 | ||||||
16 | ![]() John Scott |
Republican | March 4, 1869 – March 3, 1875 |
Elected in 1869. Retired. |
15 | 41st | ||||||
42nd | ||||||||||||
43rd | 15 | Re-elected in 1873. Resigned. | ||||||||||
17 | ![]() William A. Wallace |
Democratic | March 4, 1875 – March 3, 1881 |
Elected in early 1875. Lost re-election. |
16 | 44th | ||||||
45th | ||||||||||||
March 12, 1877 – March 20, 1877 |
Vacant | |||||||||||
Elected in 1877 to finish his father's term | March 20, 1877 – March 3, 1897 |
Republican | ![]() J. Donald Cameron |
16 | ||||||||
46th | 16 | Re-elected in 1879. | ||||||||||
18 | ![]() John I. Mitchell |
Republican | March 4, 1881 – March 3, 1887 |
Elected in early 1881. [data missing] |
17 | 47th | ||||||
48th | ||||||||||||
49th | 17 | Re-elected in 1885. | ||||||||||
19 | ![]() Matthew S. Quay |
Republican | March 4, 1887 – March 3, 1899 |
Elected in early 1887. | 18 | 50th | ||||||
51st | ||||||||||||
52nd | 18 | Re-elected in 1891. [data missing] | ||||||||||
Re-elected in early 1893. Legislature failed to re-elect. |
19 | 53rd | ||||||||||
54th | ||||||||||||
55th | 19 | Elected in 1897. | March 4, 1897 – December 31, 1921 |
Republican | ![]() Boies Penrose |
17 | ||||||
Vacant | March 4, 1899 – January 16, 1901 |
Quay was appointed to continue the term, but the Senate declared him not entitled to the seat | 20 | 56th | ||||||||
![]() Matthew S. Quay |
Republican | January 16, 1901 – May 28, 1904 |
Elected late in 1901. Died. | |||||||||
57th | ||||||||||||
58th | 20 | Re-elected in 1903. | ||||||||||
20 | ![]() Philander C. Knox |
Republican | June 10, 1904 – March 3, 1909 |
Appointed to continue Quay's term. Elected to finish Quay's term. | ||||||||
Re-elected in early 1905. Resigned to become U.S. Secretary of State. |
21 | 59th | ||||||||||
60th | ||||||||||||
Vacant | March 4, 1909 – March 17, 1909 |
61st | 21 | Re-elected in 1909. | ||||||||
21 | ![]() George T. Oliver |
Republican | March 17, 1909 – March 3, 1917 |
Elected to finish Knox's term | ||||||||
Re-elected in early 1911. Retired. |
22 | 62nd | ||||||||||
63rd | ||||||||||||
64th | 22 | Re-elected in 1914. | ||||||||||
22 | ![]() Philander C. Knox |
Republican | March 4, 1917 – October 12, 1921 |
Elected in 1916. Died. |
23 | 65th | ||||||
66th | ||||||||||||
67th | 23 | Re-elected in 1920. Died. | ||||||||||
Vacant | October 12, 1921 – October 24, 1921 |
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23 | ![]() William E. Crow |
Republican | October 24, 1921 – August 2, 1922 |
Appointed to continue Knox's term. Died. | ||||||||
December 31, 1921 – January 9, 1922 |
Vacant | |||||||||||
Appointed to continue Penrose's term. Elected to finish Penrose's term. Lost renomination. |
January 9, 1922 – March 3, 1927 |
Republican | ![]() George Wharton Pepper |
18 | ||||||||
Vacant | August 2, 1922 – August 8, 1922 |
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24 | ![]() David A. Reed |
Republican | August 8, 1922 – January 3, 1935 |
Appointed to continue Knox's term. Elected to finish Knox's term. | ||||||||
Elected in 1922. | 24 | 68th | ||||||||||
69th | ||||||||||||
70th | 24 | Elected in 1926. Senate refused to seat due to allegations of corruption surrounding the election. |
March 4, 1927 – December 6, 1929 |
Republican | ![]() William S. Vare |
19 | ||||||
Re-elected in 1928. Lost re-election. |
25 | 71st | ||||||||||
December 6, 1929 – December 11, 1929 |
Vacant | |||||||||||
Appointed to continue Vare's term. Lost nomination to finish Vare's term. |
December 11, 1929 – December 1, 1930 |
Republican | ![]() Joseph R. Grundy |
20 | ||||||||
Elected to finish Vare's term | December 2, 1930 – January 3, 1945 |
Republican | ![]() James J. Davis |
21 | ||||||||
72nd | ||||||||||||
73rd | 25 | Re-elected in 1932. | ||||||||||
25 | ![]() Joseph F. Guffey |
Democratic | January 3, 1935 – January 3, 1947 |
Elected in 1934. | 26 | 74th | ||||||
75th | ||||||||||||
76th | 26 | Re-elected in 1938. Lost re-election.
| ||||||||||
Re-elected in 1940. Lost re-election. |
27 | 77th | ||||||||||
78th | ||||||||||||
79th | 27 | Elected in 1944. Lost re-election. |
January 3, 1945 – January 3, 1951 |
Democratic | ![]() Francis J. Myers |
22 | ||||||
26 | ![]() Edward Martin |
Republican | January 3, 1947 – January 3, 1959 |
Elected in 1946. | 28 | 80th | ||||||
81st | ||||||||||||
82nd | 28 | Elected in 1950. Lost re-election. |
January 3, 1951 – January 3, 1957 |
Republican | ![]() James H. Duff |
23 | ||||||
Re-elected in 1952. Retired. |
29 | 83rd | ||||||||||
84th | ||||||||||||
85th | 29 | Elected in 1956. | January 3, 1957 – January 3, 1969 |
Democratic | ![]() Joseph S. Clark |
24 | ||||||
27 | ![]() Hugh Scott |
Republican | January 3, 1959 – January 3, 1977 |
Elected in 1958. | 30 | 86th | ||||||
87th | ||||||||||||
88th | 30 | Re-elected in 1962. Lost re-election. | ||||||||||
Re-elected in 1964. | 31 | 89th | ||||||||||
90th | ||||||||||||
91st | 31 | Elected in 1968. | January 3, 1969 – January 3, 1981 |
Republican | ![]() Richard S. Schweiker |
25 | ||||||
Re-elected in 1970. Retired. |
32 | 92nd | ||||||||||
93rd | ||||||||||||
94th | 32 | Re-elected in 1974. Did not run for re-election. | ||||||||||
28 | ![]() John Heinz |
Republican | January 3, 1977 – April 4, 1991 |
Elected in 1976. | 33 | 95th | ||||||
96th | ||||||||||||
97th | 33 | Elected in 1980. | January 3, 1981 – January 3, 2011 |
Republican | ![]() Arlen Specter |
26 | ||||||
Re-elected in 1982. | 34 | 98th | ||||||||||
99th | ||||||||||||
100th | 34 | Re-elected in 1986. | ||||||||||
Re-elected in 1988. Died. |
35 | 101st | ||||||||||
102nd | ||||||||||||
Vacant | April 4, 1991 – May 9, 1991 |
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29 | ![]() Harris Wofford |
Democratic | May 9, 1991 – January 3, 1995 |
Appointed to continue Heinz's term. Elected to finish Heinz's term. Lost re-election. | ||||||||
103rd | 35 | Re-elected in 1992. | ||||||||||
30 | ![]() Rick Santorum |
Republican | January 3, 1995 – January 3, 2007 |
Elected in 1994. | 36 | 104th | ||||||
105th | ||||||||||||
106th | 36 | Re-elected in 1998. | ||||||||||
Re-elected in 2000. Lost re-election. |
37 | 107th | ||||||||||
108th | ||||||||||||
109th | 37 | Re-elected in 2004. Lost renomination. | ||||||||||
31 | ![]() Bob Casey, Jr. |
Democratic | January 3, 2007 – Present |
Elected in 2006. | 38 | 110th | ||||||
111th | ||||||||||||
Democratic | ||||||||||||
112th | 38 | Elected in 2010. | January 3, 2011 – Present |
Republican | ![]() Pat Toomey |
27 | ||||||
Re-elected in 2012. | 39 | 113th | ||||||||||
114th | ||||||||||||
115th | 39 | To be determined in the 2016 election. | ||||||||||
To be determined in the 2018 election. | 40 | 116th | ||||||||||
117th | ||||||||||||
# | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
Class 1 | Class 3 |
Living former U.S. Senators from Pennsylvania
As of August 2015[update], there are two former Senators from Pennsylvania who are living, both from Class 1.
Senator | Term of office | Class | Date of birth (and age) |
---|---|---|---|
Harris Wofford | 1991–1995 | 1 | April 9, 1926 |
Rick Santorum | 1995–2007 | 1 | May 10, 1958 |