Table:
0
A
B
C
D
E
1
District
Vacator
Reason for change
Successor
Date successor seated
2
Missouri 4th
George H. Christopher (D)
Died January 23, 1959
William J. Randall (D)
March 3, 1959
3
New York 43rd
Daniel A. Reed (R)
Died February 19, 1959
Charles Goodell (R)
May 26, 1959
4
Ohio 6th
James G. Polk (D)
Died April 28, 1959
Ward Miller (R)
November 8, 1960
5
Hawaii Territory At-large
John A. Burns (D)
Hawaii achieved statehood.
Seat eliminated August 21, 1959
Seat eliminated August 21, 1959
6
Hawaii At-large
New seat
Hawaii achieved statehood August 21, 1959
Daniel Inouye (D)
August 21, 1959
7
Illinois 12th
Charles A. Boyle (D)
Died November 4, 1959
Vacant
Not filled this term
8
Iowa 4th
Steven V. Carter (D)
Died November 4, 1959
John H. Kyl (R)
December 15, 1959
9
Pennsylvania 17th
Alvin Bush (R)
Died November 5, 1959
Herman T. Schneebeli (R)
April 26, 1960
10
New York 23rd
Isidore Dollinger (D)
Resigned December 31, 1959
Jacob H. Gilbert (D)
March 8, 1960
11
Pennsylvania 18th
Richard M. Simpson (R)
Died January 7, 1960
Douglas H. Elliott (R)
April 26, 1960
12
North Carolina 12th
David M. Hall (D)
Died January 29, 1960
Roy A. Taylor (D)
June 25, 1960
13
Washington 3rd
Russell V. Mack (R)
Died March 28, 1960
Julia Butler Hansen (D)
November 8, 1960
14
Pennsylvania 18th
Douglas H. Elliott (R)
Died June 19, 1960
J. Irving Whalley (R)
November 8, 1960
15
North Dakota At-large
Quentin N. Burdick (D)
Resigned August 8, 1960 after becoming US Senator
Vacant
Not filled this term
16
Massachusetts 5th
Edith Nourse Rogers (R)
Died September 10, 1960
Vacant
Not filled this term

Questions and formulas:
Question: Who is every successor for the Washington 3rd District?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="Washington 3rd"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,A2:A16="Washington 3rd"),4))
Level: medium
Question: What is every reason for change for the Washington 3rd District?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="Washington 3rd"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,A2:A16="Washington 3rd"),3))
Level: medium
Question: Who is every vacator with reason for change as resigned December 31, 1959?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="Resigned December 31, 1959"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E16,C2:C16="Resigned December 31, 1959"),2))
Level: medium