MP for Selby
Parliamentary Under-Secretary (Department for Transport)
“A party-loyal, centre-left Labour MP who rarely rebels and now serves as a Parliamentary Under-Secretary for Transport.”
Keir Mather is a Labour (Co-op) MP for Selby, elected in 2023. He currently serves as Parliamentary Under-Secretary for the Department for Transport and has previously held a range of parliamentary roles, including on Treasury and Holocaust Memorial Bill select committees, and as an Assistant Whip. He has built experience through multiple parliamentary committees as part of his career in Parliament.
Keir Mather has 100% party loyalty with zero rebel votes, and his attendance stands at 18% (well below the party average of 33%). His voting record places him on the centre-left (32/100). He generally supports workers’ rights and trade unions, tends to oppose tighter immigration controls and asylum measures, and has a mixed stance on transport-related regulation.
Declared financial interests include one entry relating to donations and other support for activities as an MP.
Generated 21 February 2026
How this MP participates in parliamentary votes. These numbers describe activity, not effectiveness.
How often this MP votes
Labour (Co-op) average: 33%
The percentage of parliamentary votes (divisions) this MP participated in. MPs may miss votes for legitimate reasons including ministerial duties, constituency work, or illness.
How often this MP votes with their party
Labour (Co-op) average: 99%
Estimated from voting record, not self-declared. This is a simplified model — real politics is more complex than a single axis.
10 positions
Parliamentary Under-Secretary (Department for Transport)
Since Sept 2025
Railways Bill
Jan 2026 - Feb 2026
Crime and Policing Bill
Mar 2025 - May 2025
Terrorism (Protection of Premises) Bill: Programming sub committee
Oct 2024 - Oct 2024
Terrorism (Protection of Premises) Bill
Oct 2024 - Oct 2024
Assistant Whip
Jul 2024 - Sept 2025
Pet Abduction Bill
Jan 2024 - Jan 2024
Figures include only interests with declared monetary values from the Register of Members' Financial Interests. Some categories (e.g. hospitality, overseas visits) may not have monetary values recorded, so the total may not reflect all declared interests.
Opposition Day Motion: Defence
NONational Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 6
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 5
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 3
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 2
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 1
AYENational Insurance Contributions (Employer Pensions Contributions) Bill
Opposition day motion: fuel duty
NODraft Higher Education (Fee Limits and Fee Limit Condition) (England) (Amendment) Regulations 2026
AYEDraft Employment Rights Act 2025 (Investigatory Powers) (Consequential Amendments) Regulations 2026
AYEFinance (No. 2) Bill: Third Reading
AYEFinance (No. 2) Bill
Finance (No. 2) Bill Report Stage: Amendment 6
NOFinance (No. 2) Bill
Finance (No. 2) Bill Report Stage: Amendment 5
NOFinance (No. 2) Bill
Finance (No. 2) Bill Report Stage: New Clause 11
NOFinance (No. 2) Bill
Courts and Tribunals Bill: Second Reading
AYECourts and Tribunals Bill
Courts and Tribunals Bill: Reasoned Amendment to Second Reading
NOCourts and Tribunals Bill
The percentage of votes where this MP voted the same way as the majority of their party. High loyalty is typical; most MPs vote with their party on most issues.
Rebel votes
Times this MP voted differently from the majority of their party. This can reflect independent judgement, but context matters — some rebel votes are on procedural matters, others on major policy.
