Photograph of Melanie Onn

Member of Parliament

Melanie Onn

Profile, voting record, roles, interests, and election information from official Parliament data.

At a glance

4 Jul 2024

Commons start

1 years, 10 months

Time in Commons

74.0 %

Voting participation

+0.7 % vs avg

4,803

Majority

52

Debates (12 months)

72

Contributions

Voting activity (12 months)

Debate activity (12 months)

Contact

Parliamentary office

[email protected] 020 7219 7185

Constituency office

01472 868229

X (formerly Twitter)

https://x.com/melanie_onn

Topic voting

Where this MP has been most and least active across locally tagged Commons division topics.

Highest topic participation

Foreign Affairs 4/4 (100 %)
Tax 91/108 (84 %)
Energy 14/17 (82 %)
NHS / Health 9/11 (82 %)

Lowest topic participation

Housing 15/31 (48 %)
Work / Employment 18/37 (49 %)
Crime / Justice 33/61 (54 %)
Defence 11/18 (61 %)

Party history

Labour 7 May 2015 to present

Constituency

Constituency history

Great Grimsby and Cleethorpes 4 Jul 2024 to present Elected 1 time
Great Grimsby 7 May 2015 to 6 Nov 2019 Elected 2 times

Roles

Football Governance Bill [HL] 14 May 2025 to 17 Jun 2025
Energy Security and Net Zero Committee 17 Mar 2025 to present
Institute for Apprenticeships and Technical Education (Transfer of Functions etc) Bill [HL] 5 Mar 2025 to 20 Mar 2025
Crown Estate Bill [HL] 29 Jan 2025 to 6 Feb 2025
Committee on Standards 28 Oct 2024 to 24 Mar 2025
Committee of Privileges 28 Oct 2024 to 24 Mar 2025
Shadow Minister (Housing, Communities and Local Government) (Housing) 9 Jan 2018 to 27 Mar 2019 Ministry of Housing, Communities and Local Government
Consolidation, &c., Bills (Joint Committee) 6 Nov 2017 to 6 Nov 2019

Latest election result

Candidate result data from the Parliament Members API.

Lab Gain Great Grimsby and Cleethorpes Turnout 36,619
Candidate Party Votes Share
Melanie Onn Lab Labour 15,336 41.9 %
Oliver Freeston RUK Reform UK 10,533 28.8 %
Lia Nici Con Conservative 8,269 22.6 %
Ed Fraser Green Green Party 1,115 3.0 %
John Lawson LD Liberal Democrat 1,036 2.8 %
Mark Gee Trade Unionist and Socialist Coalition 222 0.6 %
Christopher Stephenson SDP Social Democratic Party 108 0.3 %

Source: UK Parliament Members API

Voting record

Commons division votes from the official Commons Votes API.

Voted in 382 of 516 eligible divisions (74.0 %). Commons average: 73.3 %.

382

Total votes

196

Aye

186

No

1

Against party

Aye / No split Ayes 196 / Noes 186

Divisions

Page 5 of 26

Source: Commons Votes API

Debate activity

Parliamentary debate appearances from Hansard. Contribution counts cover the last 12 months.

14

Speeches

34

Questions

24

Interventions

0

Answers

0

Points of order

0

Statements

Most active debate topics

Transport 3 appearances
Migration 2 appearances
Crime / Justice 2 appearances
NHS / Health 2 appearances
Environment / Climate 1 appearances

Recent appearances

Debate Contributions
Middle East: Economic Update 21 Apr 2026 1
Road Surfaces (Maximum Noise Levels) 21 Apr 2026 1
Women’s Health Strategy 16 Apr 2026 1
Crime and Policing Bill 14 Apr 2026 1
Pothole Repairs: Government Funding 26 Mar 2026 1
EU-UK Sanitary and Phytosanitary Agreement: Negotiations 19 Mar 2026 1
Topical Questions 17 Mar 2026 2
Topical Questions 12 Mar 2026 1
Royal Mail: Universal Service Obligation 11 Mar 2026 1
Immigration Policy 9 Mar 2026 1

Source: UK Parliament Hansard API

Registered interests

8. Miscellaneous (6)

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

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)

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)

Member source UK Parliament Members API
Voting source Commons Votes API
Debate source UK Parliament Hansard API

FAQs

Who is Melanie Onn?

Melanie Onn is a Member of Parliament representing Great Grimsby and Cleethorpes. Source

Which party does Melanie Onn represent?

Melanie Onn currently represents Labour. Source

Which constituency does Melanie Onn represent?

Melanie Onn currently represents Great Grimsby and Cleethorpes. Source

How long has Melanie Onn been an MP?

Melanie Onn has been in the House of Commons for 1 years, 10 months. Source

How many Commons divisions has Melanie Onn voted in?

Melanie Onn has recorded votes in 382 of 516 eligible Commons divisions (74.0 % participation rate). The Commons average is 73.3 %. Eligible divisions are those occurring on or after the MP's Commons membership start date. Source

Has Melanie Onn voted against their party?

Melanie Onn has voted against the party majority 1 times in the imported division data. Source

What roles has Melanie Onn held?

Melanie Onn has 15 imported role records. The roles section lists the most recent roles available from the Parliament biography data. Source

What registered interests are listed for Melanie Onn?

Melanie Onn has registered interests in 1 imported categories. These come from the UK Parliament registered interests data. Source

What was Melanie Onn's latest election result?

Melanie Onn's latest imported election result is Lab Gain in Great Grimsby and Cleethorpes, with a majority of 4,803. Source

How active is Melanie Onn in parliamentary debates?

Melanie Onn has made 72 contributions across 52 debate appearances in the last 12 months, according to Hansard records. Source