About Keir Mather

Keir Mather represents the people who live in Selby, at the UK Parliament in Westminster.

MPs split their time between Parliament and their constituency. In Parliament, they debate and vote on new laws, review existing laws, and question the Government. In the constituency, their focus is on supporting local people and championing local issues. They have a small staff team who help with casework, maintain their diaries, and monitor their inbox.

What you can do

• Find out more about this MP, including:
  • Committees and groups they are part of.
  • Voting record summary or a list of recent votes.
  • Declared financial interests.
  • Recent speeches and questions
  • Signatures (open letters and EDMs)
• Write to your MP, or find out about your other local representatives on WriteToThem.com.
• Find out more about Selby on the Local Intelligence Hub.

Profile

Labour MP for Selby

Entered the House of Commons on 21 July 2023 — Byelection

Also represented Selby and Ainsty

Social Media

• UK Parliament Profile

Expenses

• Expenses from 2010 onwards

Currently held offices

• Parliamentary Under-Secretary (Department for Transport) (since 7 Sep 2025)

Other offices held in the past

• Assistant Whip (10 Jul 2024 to 7 Sep 2025)

Previous MPs in this constituency

• John Grogan
• Michael Alison

Public bill committees (Sittings attended)

• Railways Bill Committee (14 out of 14)
• Terrorism (Protection of Premises) Bill Committee (4 out of 4)
• Crime and Policing Bill Committee (15 out of 15)
• Pet Abduction Bill Committee (1 out of 1)