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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
22 Jun 2026 Armed Forces Bill Report Stage: New Clause 22 No 74–323
22 Jun 2026 Armed Forces Bill Report Stage: New Clause 11 No 104–391
22 Jun 2026 Armed Forces Bill Report Stage: New Clause 4 No vote 164–311
17 Jun 2026 National Security (State Threats) Bill Committee: New Clause 3 No 144–244
17 Jun 2026 National Security (State Threats) Bill Committee: Amendment 13 No 135–258
17 Jun 2026 National Security (State Threats) Bill Committee: Amendment 8 No 143–249
17 Jun 2026 National Security (State Threats) Bill Committee: Amendment 3 No 85–317
17 Jun 2026 National Security (State Threats) Bill: Allocation of Time motion No vote 233–94
16 Jun 2026 Draft Clean Air Zones Central Services (Fees) (England) (Amendment) Regulations 2026 Aye 262–86
16 Jun 2026 Cyber Security and Resilience (Network and Information Systems) Bill Remaining Stages: Amendment 3 No 162–246
16 Jun 2026 Cyber Security and Resilience (Network and Information Systems) Bill Remaining Stages: New Clause 14 No 151–258
16 Jun 2026 Cyber Security and Resilience (Network and Information Systems) Bill Remaining Stages: New Clause 13 No 77–255
15 Jun 2026 Royal Albert Hall Bill [Lords]: Revival No vote 24–37
10 Jun 2026 Railways Bill: Third Reading No vote 278–149
10 Jun 2026 Railways Bill Remaining Stages: Amendment 148 No vote 155–279
10 Jun 2026 Railways Bill Remaining Stages: Amendment 143 No vote 167–266
10 Jun 2026 Railways Bill Remaining Stages: New Clause 1 No vote 77–271
9 Jun 2026 Draft Combined Authorities (Mayoral Elections) (Amendment) Order 2026 No vote 356–86
9 Jun 2026 Steel Industry (Nationalisation) Bill Committee: New Clause 4 No vote 157–287
9 Jun 2026 Steel Industry (Nationalisation) Bill Committee: New Clause 12 No vote 94–297
9 Jun 2026 Steel Industry (Nationalisation) Bill Committee: Amendment 20 No vote 90–290
8 Jun 2026 Steel Industry (Nationalisation) Bill Committee: New Clause 8 No vote 145–251
8 Jun 2026 Steel Industry (Nationalisation) Bill Committee: New Clause 2 No vote 65–251
8 Jun 2026 Steel Industry (Nationalisation) Bill Committee: Amendment 12 No vote 81–266
3 Jun 2026 Draft Agriculture (Delinked Payments) (Reductions) (England) Regulations 2026 deferred division No vote 302–155

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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