History / Congress

Massachusetts's 12th congressional district

64 members have held this seat since Dec 7, 1795. Vacant or no longer exists.

Holders
64
25 R · 19 D · 10 F · 3 U · 3 W · 2 AM · 1 J · 1 A
Longest tenure
16 years
John William McCormack
Current
—
nobody
history/seat/ma-12Every holder, newest first
+64
180018201840186018801900192019401960198020002020Henry Dearborn · 1795-12-07 – 1797-03-04 · RepublicanIsaac Parker · 1797-05-15 – 1799-03-04 · FederalistSilas Lee · 1799-12-02 – 1801-03-04 · FederalistSilas Lee · 1801-12-07 – 1803-03-04 · FederalistSimon Larned · 1803-10-17 – 1805-03-04 · RepublicanBarnabas Bidwell · 1805-12-02 – 1807-03-04 · RepublicanEzekiel Bacon · 1807-10-26 – 1809-03-04 · RepublicanEzekiel Bacon · 1809-05-22 – 1811-03-04 · RepublicanEzekiel Bacon · 1811-11-04 – 1813-03-04 · RepublicanDaniel Dewey · 1813-05-24 – 1815-03-04 · FederalistSolomon Strong · 1815-12-04 – 1817-03-04 · FederalistSolomon Strong · 1817-12-01 – 1819-03-04 · FederalistJonas Kendall · 1819-12-06 – 1821-03-04 · FederalistLewis Bigelow · 1821-12-03 – 1823-03-04 · FederalistFrancis Baylies · 1823-12-01 – 1825-03-04Francis Baylies · 1825-12-05 – 1827-03-04 · JacksonJames Leonard Hodges · 1827-12-03 – 1829-03-04 · AdamsJames Leonard Hodges · 1829-12-07 – 1831-03-04James Leonard Hodges · 1831-12-05 – 1833-03-04John Quincy Adams · 1833-12-02 – 1835-03-04 · Anti MasonicJohn Quincy Adams · 1835-12-07 – 1837-03-04 · Anti MasonicJohn Quincy Adams · 1837-09-04 – 1839-03-04 · WhigJohn Quincy Adams · 1839-12-02 – 1841-03-04 · WhigJohn Quincy Adams · 1841-05-31 – 1843-03-04 · WhigGeorge Dexter Robinson · 1883-12-03 – 1885-03-04 · RepublicanFrancis Williams Rockwell · 1885-12-07 – 1887-03-04 · RepublicanFrancis Williams Rockwell · 1887-12-05 – 1889-03-04 · RepublicanFrancis Williams Rockwell · 1889-12-02 – 1891-03-04 · RepublicanJohn Crawford Crosby · 1891-12-07 – 1893-03-04 · DemocratElijah Adams Morse · 1893-08-07 – 1895-03-04 · RepublicanElijah Adams Morse · 1895-12-02 – 1897-03-04 · RepublicanWilliam Croad Lovering · 1897-03-15 – 1899-03-04 · RepublicanWilliam Croad Lovering · 1899-12-04 – 1901-03-04 · RepublicanWilliam Croad Lovering · 1901-12-02 – 1903-03-04 · RepublicanSamuel Leland Powers · 1903-11-09 – 1905-03-04 · RepublicanJohn Wingate Weeks · 1905-12-04 – 1907-03-04 · RepublicanJohn Wingate Weeks · 1907-12-02 – 1909-03-04 · RepublicanJohn Wingate Weeks · 1909-03-15 – 1911-03-04 · RepublicanJohn Wingate Weeks · 1911-04-04 – 1913-03-04 · RepublicanJames Ambrose Gallivan · 1913-04-07 – 1915-03-04 · DemocratJames Ambrose Gallivan · 1915-12-06 – 1917-03-04 · DemocratJames Ambrose Gallivan · 1917-04-02 – 1919-03-04 · DemocratJames Ambrose Gallivan · 1919-05-19 – 1921-03-04 · DemocratJames Ambrose Gallivan · 1921-04-11 – 1923-03-04 · DemocratJames Ambrose Gallivan · 1923-12-03 – 1925-03-04 · DemocratJames Ambrose Gallivan · 1925-12-07 – 1927-03-05 · DemocratJames Ambrose Gallivan · 1927-12-05 – 1929-03-04 · DemocratJohn William McCormack · 1929-04-15 – 1931-03-04 · DemocratJohn William McCormack · 1931-12-07 – 1933-03-04 · DemocratJohn William McCormack · 1933-03-09 – 1943-01-04 · DemocratJohn William McCormack · 1943-01-06 – 1959-01-04 · DemocratJohn William McCormack · 1959-01-07 – 1963-01-04 · DemocratHastings Keith · 1963-01-09 – 1967-01-04 · RepublicanHastings Keith · 1967-01-10 – 1971-01-04 · RepublicanHastings Keith · 1971-01-21 – 1973-01-04 · RepublicanGerry Eastman Studds · 1975-01-14 – 1979-01-04 · DemocratGerry Eastman Studds · 1979-01-15 – 1983-01-04 · DemocratSamuel Thatcher · 1801-12-07 – 1803-03-04 · FederalistThomson Joseph Skinner · 1803-10-17 – 1805-03-04 · RepublicanJohn Whitefield Hulbert · 1813-05-24 – 1815-03-04 · FederalistFrancis Williams Rockwell · 1883-12-03 – 1885-03-04 · RepublicanJames Michael Curley · 1913-04-07 – 1915-03-04 · DemocratJohn William McCormack · 1927-12-05 – 1929-03-04 · DemocratGerry Eastman Studds · 1973-01-03 – 1975-01-04 · Democrat
Gerry Eastman Studds D
Jan 15, 1979 – Jan 4, 1983 · 4 years
Gerry Eastman Studds D
Jan 14, 1975 – Jan 4, 1979 · 4 years
Gerry Eastman Studds D
Jan 3, 1973 – Jan 4, 1975 · 2 years
Hastings Keith R
Jan 21, 1971 – Jan 4, 1973 · 23 months
Hastings Keith R
Jan 10, 1967 – Jan 4, 1971 · 4 years
Hastings Keith R
Jan 9, 1963 – Jan 4, 1967 · 4 years
John William McCormack D
Jan 7, 1959 – Jan 4, 1963 · 4 years
John William McCormack D
Jan 6, 1943 – Jan 4, 1959 · 16 years
John William McCormack D
Mar 9, 1933 – Jan 4, 1943 · 9.8 years
John William McCormack D
Dec 7, 1931 – Mar 4, 1933 · 15 months
John William McCormack D
Apr 15, 1929 – Mar 4, 1931 · 23 months
James Ambrose Gallivan D
Dec 5, 1927 – Mar 4, 1929 · 15 months
John William McCormack D
Dec 5, 1927 – Mar 4, 1929 · 15 months
James Ambrose Gallivan D
Dec 7, 1925 – Mar 5, 1927 · 15 months
James Ambrose Gallivan D
Dec 3, 1923 – Mar 4, 1925 · 15 months
James Ambrose Gallivan D
Apr 11, 1921 – Mar 4, 1923 · 23 months
James Ambrose Gallivan D
May 19, 1919 – Mar 4, 1921 · 22 months
James Ambrose Gallivan D
Apr 2, 1917 – Mar 4, 1919 · 23 months
James Ambrose Gallivan D
Dec 6, 1915 – Mar 4, 1917 · 15 months
James Ambrose Gallivan D
Apr 7, 1913 – Mar 4, 1915 · 23 months
James Michael Curley D
Apr 7, 1913 – Mar 4, 1915 · 23 months
John Wingate Weeks R
Apr 4, 1911 – Mar 4, 1913 · 23 months
John Wingate Weeks R
Mar 15, 1909 – Mar 4, 1911 · 2 years
John Wingate Weeks R
Dec 2, 1907 – Mar 4, 1909 · 15 months
John Wingate Weeks R
Dec 4, 1905 – Mar 4, 1907 · 15 months
Samuel Leland Powers R
Nov 9, 1903 – Mar 4, 1905 · 16 months
William Croad Lovering R
Dec 2, 1901 – Mar 4, 1903 · 15 months
William Croad Lovering R
Dec 4, 1899 – Mar 4, 1901 · 15 months
William Croad Lovering R
Mar 15, 1897 – Mar 4, 1899 · 2 years
Elijah Adams Morse R
Dec 2, 1895 – Mar 4, 1897 · 15 months
Elijah Adams Morse R
Aug 7, 1893 – Mar 4, 1895 · 19 months
John Crawford Crosby D
Dec 7, 1891 – Mar 4, 1893 · 15 months
Francis Williams Rockwell R
Dec 2, 1889 – Mar 4, 1891 · 15 months
Francis Williams Rockwell R
Dec 5, 1887 – Mar 4, 1889 · 15 months
Francis Williams Rockwell R
Dec 7, 1885 – Mar 4, 1887 · 15 months
George Dexter Robinson R
Dec 3, 1883 – Mar 4, 1885 · 15 months
Francis Williams Rockwell R
Dec 3, 1883 – Mar 4, 1885 · 15 months
John Quincy Adams W
May 31, 1841 – Mar 4, 1843 · 21 months
John Quincy Adams W
Dec 2, 1839 – Mar 4, 1841 · 15 months
John Quincy Adams W
Sep 4, 1837 – Mar 4, 1839 · 18 months
John Quincy Adams AM
Dec 7, 1835 – Mar 4, 1837 · 15 months
John Quincy Adams AM
Dec 2, 1833 – Mar 4, 1835 · 15 months
James Leonard Hodges
Dec 5, 1831 – Mar 4, 1833 · 15 months
James Leonard Hodges
Dec 7, 1829 – Mar 4, 1831 · 15 months
James Leonard Hodges A
Dec 3, 1827 – Mar 4, 1829 · 15 months
Francis Baylies J
Dec 5, 1825 – Mar 4, 1827 · 15 months
Francis Baylies
Dec 1, 1823 – Mar 4, 1825 · 15 months
Lewis Bigelow F
Dec 3, 1821 – Mar 4, 1823 · 15 months
Jonas Kendall F
Dec 6, 1819 – Mar 4, 1821 · 15 months
Solomon Strong F
Dec 1, 1817 – Mar 4, 1819 · 15 months
Solomon Strong F
Dec 4, 1815 – Mar 4, 1817 · 15 months
Daniel Dewey F
May 24, 1813 – Mar 4, 1815 · 21 months
John Whitefield Hulbert F
May 24, 1813 – Mar 4, 1815 · 21 months
Ezekiel Bacon R
Nov 4, 1811 – Mar 4, 1813 · 16 months
Ezekiel Bacon R
May 22, 1809 – Mar 4, 1811 · 21 months
Ezekiel Bacon R
Oct 26, 1807 – Mar 4, 1809 · 16 months
Barnabas Bidwell R
Dec 2, 1805 – Mar 4, 1807 · 15 months
Simon Larned R
Oct 17, 1803 – Mar 4, 1805 · 17 months
Thomson Joseph Skinner R
Oct 17, 1803 – Mar 4, 1805 · 17 months
Silas Lee F
Dec 7, 1801 – Mar 4, 1803 · 15 months
Samuel Thatcher F
Dec 7, 1801 – Mar 4, 1803 · 15 months
Silas Lee F
Dec 2, 1799 – Mar 4, 1801 · 15 months
Isaac Parker F
May 15, 1797 – Mar 4, 1799 · 22 months
Henry Dearborn R
Dec 7, 1795 – Mar 4, 1797 · 15 months

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