Keir Mather

Keir Mather

Labour (Co-op) Sitting member
Constituency
Selby
Region
England
Member since
20 July 2023

View this member on parliament.uk ↗

This parliament

Voting participation
80%
Debates contributed to
142
Registered interests
4
Declared value
£10,576

Record last updated 14 Oct 2026

Keir Mather is a Labour (Co-op) MP for Selby who was first elected in July 2023 and re-elected to the current parliament on 5 July 2024, making him relatively new to Parliament. He holds a government post as Parliamentary Under-Secretary at the Department for Transport. He has cast 426 votes from 528 eligible divisions, achieving an 81% participation rate and standing in the top 25% of MPs by voting participation; low voting participation is conventional for ministers. He has made 899 debate contributions across 140 debates, with his top debate topics being Transport, Trade & Industry, and Energy & Utilities, while his voting has focused on Parliamentary Procedure, Employment & Workers Rights, and Justice & Law.

Summary generated on 09/10/2026 (View details)

VOTING PARTICIPATION

426 / 533

79.92%

Ranked #178 of 655 MPs (73th percentile)

DEBATE CONTRIBUTIONS

142 / 11985

907 total contributions

Ranked #322 of 655 MPs (51th percentile)

REGISTERED INTERESTS

4

£10,576.00

£

Ranked #456 of 655 MPs (31th percentile)

PARLIAMENTARY RECORD

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 Parliamentary Under-Secretary (Department for Transport).

Constituencies

  • Selby Jul 2024 – present
  • Selby and Ainsty Jul 2023 – May 2024

Posts held

  • Parliamentary Under-Secretary (Department for Transport) Sep 2025 – present
  • Assistant Whip Jul 2024 – Sep 2025