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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
2 Jul 2025 Draft Criminal Justice Act 2003 (Suitability for Fixed Term Recall) Order 2025 deferred division Aye 333–168
2 Jul 2025 Draft Enterprise Act 2002 (Mergers Involving Newspaper Enterprises and Foreign Powers) Regulations 2025 deferred division Aye 338–79
1 Jul 2025 Universal Credit and Personal Independent Payment Bill: Second Reading Aye 335–260
1 Jul 2025 Universal Credit and Personal Independent Payment Bill: Reasoned Amendment at Second Reading No 149–328
30 Jun 2025 Draft Marking of Retail Goods Regulations 2025 Aye 315–4
20 Jun 2025 Terminally Ill Adults (End of Life) Bill: Third Reading Aye 314–291
20 Jun 2025 Terminally Ill Adults (End of Life) Bill: Amendment 94 Aye 274–224
20 Jun 2025 Terminally Ill Adults (End of Life) Bill: Amendment 77 Aye 275–209
20 Jun 2025 Terminally Ill Adults (End of Life) Bill: Amendment 12 No 223–269
20 Jun 2025 Terminally Ill Adults (End of Life) Bill: Amendment 24 No 213–266
20 Jun 2025 Terminally Ill Adults (End of Life) Bill: New Clause 16 No 208–261
18 Jun 2025 Crime and Policing Bill: Third Reading Aye 312–95
18 Jun 2025 Crime and Policing Bill Report Stage: New Clause 130 No 178–313
18 Jun 2025 Crime and Policing Bill Report Stage: New Clause 121 No 114–310
18 Jun 2025 Crime and Policing Bill Report Stage: New Clause 88 No 178–313
18 Jun 2025 Crime and Policing Bill Report Stage: New Clause 43 No 147–305
18 Jun 2025 Crime and Policing Bill Report Stage: New Clause 7 No 102–390
17 Jun 2025 Crime and Policing Bill Report Stage: New Clause 106 No 117–379
17 Jun 2025 Crime and Policing Bill Report Stage: New Clause 1 Aye 379–137
17 Jun 2025 Crime and Policing Bill Report Stage: Amendment 160 No vote 89–428
17 Jun 2025 Crime and Policing Bill Report Stage: Amendment 19 No vote 189–328
17 Jun 2025 Crime and Policing Bill Report Stage: Amendment 175 No vote 184–336
17 Jun 2025 Crime and Policing Bill Report Stage: Amendment 174 No vote 194–335
13 Jun 2025 Terminally Ill Adults (End of Life) Bill: New Clause 2 No 259–216
13 Jun 2025 Terminally Ill Adults (End of Life) Bill: New Clause 1 No 230–256

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:

Money declared to them

No donations to this member appear on the Electoral Commission's register for this Parliament. Only donations above the statutory thresholds have to be declared, and the match is made on name — search the register directly if you are checking a specific one.

Where the public money goes — contracts and donations →

Sources: Commons Votes API, Members API and the Register of Members' Financial Interests, all published by Parliament under the Open Parliament Licence; donations from the Electoral Commission's register. 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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