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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
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 359 Aye 277–158
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 357 Aye 278–73
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 342 Aye 281–70
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 334 Aye 356–90
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 333 Aye 301–157
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 311 Aye 300–101
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 11 Aye 291–174
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 6 Aye 299–169
14 Apr 2026 Crime and Policing Bill: motion to disagree with Lords Amendment 2 Aye 307–176
25 Mar 2026 Victims and Courts Bill: motion to disagree with Lords Amendment 6 No vote 290–163
25 Mar 2026 Victims and Courts Bill: motion to disagree with Lords Amendment 5 No vote 292–162
25 Mar 2026 Victims and Courts Bill: motion to disagree with Lords Amendment 4 No vote 300–149
25 Mar 2026 Victims and Courts Bill: motion to disagree with Lords Amendment 3 No vote 286–163
25 Mar 2026 Victims and Courts Bill: motion to disagree with Lords Amendment 2 No vote 295–162
25 Mar 2026 Victims and Courts Bill: motion to disagree with Lords Amendment 1 No vote 291–158
24 Mar 2026 Opposition Day: Defence No 98–306
24 Mar 2026 Opposition Day: Oil and gas No 108–297
23 Mar 2026 National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 6 Aye 278–164
23 Mar 2026 National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 5 Aye 281–167
23 Mar 2026 National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 3 Aye 280–164
23 Mar 2026 National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 2 Aye 279–167
23 Mar 2026 National Insurance Contributions (Employer Pensions Contributions) Bill: motion to disagree with Lords Amendment 1 Aye 280–161
18 Mar 2026 Opposition day: Student loans No 88–266
18 Mar 2026 Opposition day: Fuel duty No 103–259
18 Mar 2026 Draft Higher Education (Fee Limits and Fee Limit Condition) (England) (Amendment) Regulations 2026 deferred division Aye 277–99

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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