Table:
0
A
B
C
D
E
1
District
Vacator
Reason for change
Successor
Date successor seated
2
Wisconsin 2nd
Vacant
Robert K. Henry died during previous Congress
Glenn R. Davis (R)
Seated April 22, 1947
3
Washington 3rd
Fred Norman (R)
Died April 18, 1947
Russell Mack (R)
Seated June 7, 1947
4
Pennsylvania 8th
Charles Gerlach (R)
Died May 5, 1947
Franklin Lichtenwalter (R)
Seated September 9, 1947
5
Michigan 11th
Fred Bradley (R)
Died May 24, 1947
Charles Potter (R)
Seated August 26, 1947
6
Texas 9th
Joseph J. Mansfield (D)
Died July 12, 1947
Clark W. Thompson (D)
Seated August 23, 1947
7
Massachusetts 9th
Charles Gifford (R)
Died August 23, 1947
Donald Nicholson (R)
Seated November 18, 1947
8
Indiana 10th
Raymond S. Springer (R)
Died August 28, 1947
Ralph Harvey (R)
Seated November 4, 1947
9
Virginia 4th
Patrick Drewry (D)
Died December 21, 1947
Watkins Abbitt (D)
Seated February 17, 1948
10
New York 24th
Benjamin J. Rabin (D)
Resigned December 31, 1947
Leo Isacson (AL)
Seated February 17, 1948
11
Kentucky 9th
John Robsion (R)
Died February 17, 1948
William Lewis (R)
Seated April 24, 1948
12
Missouri 10th
Orville Zimmerman (D)
Died April 7, 1948
Paul Jones (D)
Seated November 2, 1948
13
Illinois 7th
Thomas L. Owens (R)
Died June 7, 1948
Vacant until next Congress
Vacant until next Congress
14
Texas 15th
Milton H. West (D)
Died October 28, 1948
Lloyd Bentsen (D)
Seated December 4, 1948

Questions and formulas:
Question: In the district Wisconsin 2nd, what was the reason for change?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="Wisconsin 2nd"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,A2:A14="Wisconsin 2nd"),3))
Level: medium