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 in the Transport Department.”
Keir Mather is the Labour (Co-op) MP for Selby, first elected in 2023. He currently serves as Parliamentary Under-Secretary for the Department for Transport, a role he has held since September 2025. Since his election he has taken on several committee assignments and government roles, including time as an Assistant Whip and involvement with rail policy and financial oversight through various committees.
Keir Mather shows very high party loyalty with 100% loyalty and no rebel votes, but his voting attendance is around 20%, well below the party average of 34%. He sits on the centre-left of the political spectrum (34/100).
Declared financial interests include one entry: donations and other support (including loans) 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: 34%
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.
Railways Bill: Third Reading
AYERailways Bill
Railways Bill Remaining Stages: Amendment 148
NORailways Bill
Railways Bill Remaining Stages: Amendment 143
NORailways Bill
Railways Bill Remaining Stages: New Clause 1
NORailways Bill
Steel Industry (Nationalisation) Bill Committee: New Clause 8
NOSteel Industry (Nationalisation) Bill
Steel Industry (Nationalisation) Bill Committee: New Clause 2
NOSteel Industry (Nationalisation) Bill
Steel Industry (Nationalisation) Bill Committee: Amendment 12
NOSteel Industry (Nationalisation) Bill
Draft Agriculture (Delinked Payments) (Reductions) (England) Regulations 2026
AYEArmed Forces Bill Committee: New Clause 13
NOArmed Forces Bill
Armed Forces Bill Committee: New Clause 6
NOArmed Forces Bill
Armed Forces Bill Committee: New Clause 5
NOArmed Forces Bill
Armed Forces Bill Committee: New Clause 2
NOArmed Forces Bill
King's Speech Motion for an Address
AYEKing's Speech Motion for an Address: amendment (p)
NOKing's Speech Motion for an Address: amendment (l)
NOThe 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.
