Name successor election was successfully contested july 30, 1861
District Vacator Reason for change Successor Date successor seated
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1-2417330-4
Colorado Territory At-large New seat New seat Hiram P. Bennett (Conservative R) August 19, 1861
Nevada Territory At-large New seat New seat John Cradlebaugh December 2, 1861
Dakota Territory At-large New seat New seat John B. S. Todd (D) December 9, 1861
Louisiana 1st Vacant Vacant Benjamin F. Flanders (U) December 3, 1862
Louisiana 2nd Vacant Vacant Michael Hahn (U) December 3, 1862
Virginia 1st Vacant Vacant Joseph E. Segar (U) May 6, 1862
Virginia 7th Vacant Vacant Charles H. Upton (U) July 4, 1861
Ohio 13th John Sherman (R) Resigned March 12, 1861 when elected U.S. Senator Samuel T. Worcester (R) July 4, 1861
Pennsylvania 12th George W. Scranton (R) Died March 24, 1861 Hendrick B. Wright (D) July 4, 1861
Oregon At-large Andrew J. Thayer (D) Election was successfully contested July 30, 1861 George K. Shiel (D) July 30, 1861
Massachusetts 5th William Appleton (CU) Resigned September 27, 1861 due to failing health Samuel Hooper (R) December 2, 1861
Kentucky 1st Henry C. Burnett (D) Expelled December 3, 1861 for support of secession Samuel L. Casey (U) March 10, 1862
Kentucky 2nd James S. Jackson (U) Resigned December 13, 1861 to enter the Union Army George H. Yeaman (U) December 1, 1862
Virginia 7th Charles H. Upton (U) Declared not entitled to seat February 27, 1862 Lewis McKenzie (U) February 16, 1863
Illinois 9th John A. Logan (D) Resigned April 2, 1862 to enter the Union Army William J. Allen (D) June 2, 1862
Pennsylvania 7th Thomas B. Cooper (D) Died April 4, 1862 John D. Stiles (D) June 3, 1862
Massachusetts 9th Goldsmith F. Bailey (R) Died May 8, 1862 Amasa Walker (R) December 1, 1862
Missouri 1st Francis P. Blair, Jr. (R) Resigned July 1862 to become colonel in Union Army Vacant Vacant for remainder of term
table_2417330_4
SELECT Successor FROM table WHERE Reason for change = Election was successfully contested July 30, 1861
Election was successfully contested July 30, 1861