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Official portrait of Melanie Onn

Melanie Onn

Labour MP for Great Grimsby and Cleethorpes, since 4 July 2024

Melanie Onn is the Labour MP for Great Grimsby and Cleethorpes, and has been an MP continually since 4 July 2024.

Contact them on the parliamentary site →

Scorecard

73.6% Attendance Turns up more often than most MPs who vote
423 Votes cast out of 575 divisions
152 No vote recorded absent, abstaining, paired or unable to attend
1 Against their own party divisions where they voted the other way to most Labour MPs
6 Interests declared none at £5,000 or more
505 Debates spoken in 503 written questions tabled

Ranked 298 of 638 MPs for attendance. The median of MPs who vote is 72.3%. Ministers and front-benchers vote less often than backbenchers for reasons of office rather than absenteeism, and Parliament does not publish reasons for any absence — the ranking is a starting point for a question, not an answer to one.

Voting record

575 divisions since they took their seat, newest first.

DateQuestionTheir voteResult
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 98 Aye 287–150
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 41 Aye 284–149
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 37 Aye 291–144
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 36 Aye 288–147
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 26 Aye 287–149
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 13 Aye 297–147
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 4 Aye 298–152
21 Apr 2026 English Devolution and Community Empowerment Bill: motion to disagree to Lords Amendment 2 Aye 293–155
20 Apr 2026 Crime and Policing Bill: Amendments (a) to (b) in lieu of Lords Amendments 359 and 439 Aye 292–158
20 Apr 2026 Crime and Policing Bill: Amendments (a) and (b) in lieu of Lords Amendment 342 Aye 294–61
20 Apr 2026 Crime and Policing Bill: Amendments (a) to (d) in lieu of Lords Amendment 11 Aye 294–156
20 Apr 2026 Crime and Policing Bill: Amendment (a) to Amendment 2B and Amendment (b) to Amendment 2C in lieu of Lords Amendments 2D and 2E Aye 293–159
15 Apr 2026 Children's Wellbeing and Schools Bill: Amendments (a) to (c) in lieu of Lords Amendment 106 Aye 248–139
15 Apr 2026 Children's Wellbeing and Schools Bill: Amendments (a) to (e) in lieu of Lords Amendment 102 Aye 259–136
15 Apr 2026 Children's Wellbeing and Schools Bill: motion to disagree with Lords Amendment 41B Aye 254–144
15 Apr 2026 Children's Wellbeing and Schools Bill: Amendments (a) to (f) in lieu of Lords Amendment 38 Aye 256–150
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 78 Aye 277–150
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 77 Aye 271–95
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 43 No vote 273–159
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 35 No vote 275–159
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 26 Aye 269–162
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 15 Aye 276–155
15 Apr 2026 Pensions Scheme Bill: motion to disagree with Lords Amendment 5 Aye 269–103
15 Apr 2026 Pension Schemes Bill: motion to disagree with Lords Amendment 1 Aye 278–158
14 Apr 2026 Crime and Policing Bill: motion to agree with all remaining Lords Amendments Aye 247–21

Declared financial interests

Quoted in full from the Register of Members' Financial Interests. Entries where the largest figure is £5,000 or more are marked. A declaration is not a wrongdoing — the register exists precisely so that these things are visible.

8. Miscellaneous

Elected parliamentary representative on Labour Party National Executive Committee,
Date interest arose: 1 September 2024
(Registered 4 December 2024)

On the register since 12 Feb 2026

Co-Chair for 'Pathways to Net Zero' and project bringing together energy businesses and parliamentarians to discuss energy related policy. Sponsoring meetings, lunches, dinners & receptions in House of Commons/Westminster. Supported by Palace Yard communications.
Date interest arose: 30 January 2025
(Registered 18 March 2025)

On the register since 12 Feb 2026

Executive Committee member of the British American Parliamentary Group. This is an unpaid role.
Date interest arose: 17 December 2024
(Registered 8 January 2025)

On the register since 23 Jan 2026

Trustee of Youth Charity, Shalom based in the East Marsh of Grimsby. This is an unpaid role.
Date interest arose: 1 February 2020
(Registered 4 December 2024)

On the register since 17 Dec 2025

Director of Grimsby Community Energy (cooperative model, principal aims to increase take up of community ownership of electricity generation, increase renewable sources of energy, deliver community benefit through lower bills and grants for sustainable or environmentally positive community projects). This is an unpaid role.
Date interest arose: 30 October 2022
(Registered 4 December 2024)

On the register since 17 Dec 2025

Co-Chair of the Commission for Carbon Competitiveness (a small group of MPs, former MPs and industry experts researching and producing reports on industrial competitiveness). Hanover Communications is appointed by the Commission to provide Secretariat duties, but Commissioners are not part of a formal contractual arrangement and do not appoint Hanover.
Date interest arose: 14 October 2024
(Registered 4 December 2024; updated 18 March 2025)

On the register since 25 Mar 2025

The same register on parliament.uk →

Debates

505 debates contributed to in total. The ten most recent:

Sources: Commons Votes API, Members API and the Register of Members' Financial Interests, all published by Parliament under the Open Parliament Licence. This member's register and debate record were last refreshed 3 Aug 2026. How every figure is worked out →

Machine-readable: JSON for this MP.

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