PARLIAMENTARY DETAILS
for Selby and Ainsty Constituency
Current MP Details
Selby and Ainsty is a former constituency. It ceased to exist following the boundary change in 2024. It was located in the Yorkshire and The Humber region of England. The seat was last held by Keir Mather (Labour) between 20 July 2023 to 30 May 2024.
Constituency Election Results
Election Date
Event
Result
Electorate
Turnout
Majority
Election Date
20 Jul 2023
By-election
Lab Gain
Electorate
80,150
Turnout
35,807 (45%)
Majority
4,161
Election Date
12 Dec 2019
2019 General Election
Con Hold
Electorate
78,398
Turnout
56,418 (72%)
Majority
20,137
Election Date
8 Jun 2017
2017 General Election
Con Hold
Electorate
75,918
Turnout
56,076 (74%)
Majority
13,772
Election Date
7 May 2015
2015 General Election
Con Hold
Electorate
76,082
Turnout
52,804 (69%)
Majority
13,557
Election Date
6 May 2010
2010 General Election
Con Hold
Electorate
72,804
Turnout
51,728 (71%)
Majority
12,265
Constituency Map
Constituency Member History
Date
Member
Reason for Leaving
Details
20 Jul 2023
to Now
to Now
Keir Mather
Labour
Current Member
Keir Mather is the Labour MP for Selby, and has been an MP continually since 20 July 2023.
He currently holds the Government post of Assistant Whip.
6 May 2010
to 12 Jun 2023
to 12 Jun 2023
Nigel Adams
Conservative
Resignation (Northstead)
The Rt Hon Nigel Adams is no longer a Member, but was most recently the Conservative MP for Selby and Ainsty, and left the Commons on 12 June 2023.
Contains Parliamentary information licensed under the Open Parliament Licence v3.0.