U.S. Senators from Iowa
Member of the United States Senate (Class 2) from Iowa
James Wilson Grimes
Date of birth/date of death: b. October 20 1816; d. February 7 1872.
Republican Party
1859 – 1869
Samuel Jordan Kirkwood
Date of birth/date of death: b. December 20 1813; d. September 1 1894.
Republican Party
1877 – 1881
James Falconer Wilson
Date of birth/date of death: b. October 19 1828; d. April 22 1895.
Republican Party
1883 – 1895
Jonathan Prentiss Dolliver
Date of birth/date of death: b. February 6 1858; d. October 15 1910.
Republican Party
1900 – 1910
William Squire Kenyon
Date of birth/date of death: b. June 10 1869; d. September 9 1933.
Republican Party
1911 – 1922
Guy Mark Gillette
Date of birth/date of death: b. February 3 1879; d. March 3 1973.
Democratic Party
1949 – 1955
Thomas Richard “Tom” Harkin
Date of birth/date of death: b. November 19 1939.
Democratic Party
1985 – 2015
Member of the United States Senate (Class 3) from Iowa
James Harlan
Date of birth/date of death: b. August 26 1820; d. October 5 1899.
Republican Party
1855 – 1865
Samuel Jordan Kirkwood
Date of birth/date of death: b. December 20 1813; d. September 1 1894.
Republican Party
1866 – 1867
James Harlan
Date of birth/date of death: b. August 26 1820; d. October 5 1899.
Republican Party
1867 – 1873
William Boyd Allison
Date of birth/date of death: b. March 2 1829; d. August 4 1908.
Republican Party
1873 – 1908
Guy Mark Gillette
Date of birth/date of death: b. February 3 1879; d. March 3 1973.
Democratic Party
1936 – 1945
Charles Ernest “Chuck” Grassley
Date of birth/date of death: b. September 17 1933.
Republican Party
1981 – present