42nd United States Congress
House of Representatives

District
Vacator
Reason for change
Successor
Date of successor's formal installation
District of Columbia At-large
New seat
District of Columbia's At-large district created March 4, 1871, and remained vacant until April 21, 1871
Norton P. Chipman (R)
April 21, 1871
Illinois At-large
Vacant
Rep. John A. Logan resigned at the end of the previous congress after being elected to the US Senate
John L. Beveridge (R)
November 7, 1871
Michigan 4th
Vacant
Rep. Thomas W. Ferry resigned at the end of the previous congress after being elected to the US Senate
Wilder D. Foster (R)
December 4, 1871
Illinois 6th
Burton C. Cook (R)
Resigned August 26, 1871
Henry Snapp (R)
December 4, 1871
Louisiana 4th
James McCleery (R)
Died November 5, 1871
Alexander Boarman (LR)
December 3, 1872
Massachusetts 9th
William B. Washburn (R)
Resigned December 5, 1871, after being elected Governor of Massachusetts
Alvah Crocker (R)
January 2, 1872
Arkansas 3rd
John Edwards (LR)
Lost contested election February 9, 1872
Thomas Boles (R)
February 9, 1872
Massachusetts 7th
George M. Brooks (R)
Resigned May 13, 1872, after becoming judge of probate for Middlesex County
Constantine C. Esty (R)
December 2, 1872
Texas 3rd
William T. Clark (R)
Lost contested election May 13, 1872
Dewitt C. Giddings (D)
December 13, 1872
Ohio 1st
Aaron F. Perry (R)
Resigned July 14, 1872
Ozro J. Dodds (D)
October 9, 1872
Georgia 4th
Thomas J. Speer (R)
Died August 18, 1872
Erasmus W. Beck (D)
December 2, 1872
Connecticut 1st
Julius L. Strong (R)
Died September 7, 1872
Joseph R. Hawley (R)
December 2, 1872
Pennsylvania 13th
Ulysses Mercur (R)
Resigned December 2, 1872, after becoming an assoc. justice of the Supreme Court of Pennsylvania
Frank C. Bunnell (R)
December 24, 1872
Illinois At-large
John L. Beveridge (R)
Resigned January 4, 1873, after being elected Lieutenant Governor of Illinois
Vacant
Not filled this term
South Carolina 2nd
Robert C. De Large (R)
Seat declared vacant January 24, 1873, after election was contested by Christopher C. Bowen
Vacant
Not filled this term
Florida At-large
Josiah T. Walls (R)
Lost contested election January 29, 1873
Silas L. Niblack (D)
January 29, 1873

Question: What change took place with Georgia's 4th district's representative for the 42nd United State Congress?
Answer: Thomas J. Speer (R) served as Georgia's 4th district's representative until his death on August 18, 1872, in a seat that was later filled by Erasmus W. Beck (D) beginning on December 2, 1872.