Portrait of Melanie Onn

Member of Parliament

Melanie Onn

Labour MP for Great Grimsby and Cleethorpes

At a glanceMelanie Onn is a Labour MP for Great Grimsby and Cleethorpes, and has represented the seat for 2 years. They have cast 423 votes in Commons divisions (74% attendance), tabled 503 written questions and registered 6 financial interests.

Votes cast423
Attendance74%
Voted Aye210
Voted No213
Voted with party100%
Rebellions0

Attendance is votes cast as a share of the 575 Commons divisions since the 2024 election; Melanie Onn did not vote in 152. A rebellion is a vote against the way most of their own party voted; free votes, where no party line applies, are left out.

Party-loyalty figures are our own analysis of the official voting records (recorded votes only; they do not describe the formal whip). How we work this out.

Biographyfrom Parliament
Melanie Onn is the Labour MP for Great Grimsby and Cleethorpes, and has been an MP continually since 4 July 2024.
Current roles3 held
Voting recordlatest 15 shown
Voting alignmentmost and least similar MPs

Votes most like

Votes least like

Alignment figures are our own analysis of the official voting records (recorded votes only; they do not describe the formal whip). How we work this out.

Register of financial interests6 entries

From the official Register; shown as registered.

Miscellaneous6
  • 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. (registered 18 Mar 2025)
  • Executive Committee member of the British American Parliamentary Group. This is an unpaid role. (registered 8 Jan 2025)
  • Trustee of Youth Charity, Shalom based in the East Marsh of Grimsby. This is an unpaid role. (registered 4 Dec 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. (registered 4 Dec 2024)
  • Elected parliamentary representative on Labour Party National Executive Committee, (registered 4 Dec 2024)
  • 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. (registered 4 Dec 2024)

Source: Register of Interests on parliament.uk.

Written questions503 tabled
Northern Lincolnshire and Goole NHS Foundation Trust: Midwives 13 Jul 2026 · Department of Health and Social Care

To ask the Secretary of State for Health and Social Care, what recent assessment he has made of the availability of substantive posts for newly qualified midwives at Northern Lincolnshire and Goole NHS Foundation Trust; and whether his Department is takin

Answer · 17 Jul 2026

Approximately a third of student midwives have no roles to go into when they qualify. We are determined to change that. We will boost maternity care with £10.6 million of investment, funding an additional 1,000 temporary roles to help newly qualified midw...

Shared Ownership Schemes: Housing Associations 7 Jul 2026 · Ministry of Housing, Communities and Local Government

To ask the Secretary of State for Housing, Communities and Local Government, what recent discussions had with housing associations on their responsibilities to shared ownership tenants.

Answer · 15 Jul 2026

My Department engages regularly with housing associations about their duties in respect of shared ownership properties.The new Social and Affordable Homes Programme places new expectations on shared ownership providers to improve customer experience. Thes...

Children: Maintenance 7 Jul 2026 · Department for Work and Pensions

To ask the Secretary of State for Work and Pensions, what evidence is required to establish if paying parents are failing to disclose their full income; and what action the Child Maintenance Service takes if it is proven.

Answer · 14 Jul 2026

Where a paying parent changes jobs, The Child Maintenance Service (CMS) uses real-time information from HMRC where available, to quickly identify new employment and adjust maintenance calculations accordingly. People who are self-employed are required to ...

Children: Maintenance 7 Jul 2026 · Department for Work and Pensions

To ask the Secretary of State for Work and Pensions, what further steps he is taking to close potential loopholes in Child Maintenance that allow paying parents to avoid the agreed payments if they are paid in cash.

Answer · 14 Jul 2026

Where a paying parent changes jobs, The Child Maintenance Service (CMS) uses real-time information from HMRC where available, to quickly identify new employment and adjust maintenance calculations accordingly. People who are self-employed are required to ...

Children: Maintenance 7 Jul 2026 · Department for Work and Pensions

To ask the Secretary of State for Work and Pensions, what investigations are undertaken by the Child Maintenance Service into paying parents who are suspected of having undeclared income.

Answer · 14 Jul 2026

Where a paying parent changes jobs, The Child Maintenance Service (CMS) uses real-time information from HMRC where available, to quickly identify new employment and adjust maintenance calculations accordingly. People who are self-employed are required to ...

Packaging: Recycling 7 Jul 2026 · Department for Environment, Food and Rural Affairs

To ask the Secretary of State for Environment, Food and Rural Affairs, pursuant to correspondence reference MC2026/09208/NA, what assessment he has made of the potential impact pEPR rules being for glass distributors on (a) costs to consumers and (b) leve

Answer · 14 Jul 2026

The Government published its October 2024 assessment of the impact of introducing Extended Producer Responsibility for packaging. It assessed packaging producers as a whole, including consumer-price impacts, but did not assess glass distributors specifica...

Fisheries 2 Jul 2026 · Department for Environment, Food and Rural Affairs

To ask the Secretary of State for Environment, Food and Rural Affairs, whether she has made an assessment of the potential merits of a national fisheries action plan.

Answer · 9 Jul 2026

I welcome the leadership my Honourable Friend is demonstrating through the APPG for Fisheries, for the industry, and for coastal communities like ours. The Government is focused on delivering practical support for the sector, through measures such as the ...

Fishing and Coastal Growth Fund 1 Jul 2026 · Department for Environment, Food and Rural Affairs

To ask the Secretary of State for Environment, Food and Rural Affairs, what progress she has made on the Fishing and Coastal Growth Fund.

Answer · 9 Jul 2026

Following wide-ranging stakeholder engagement last year, key priorities for support were identified by industry. In response, the Fisheries and Seafood Scheme in England was adapted to start delivering these priorities, including ring-fencing £6 million f...

See all written questions

Early day motions4 tabled
Speeches in the chamber976 on record

15 Jul 2026   Engagements

Q9. It is an emotional Prime Minister’s Question Time today, and I really welcome the tone that has been struck. I think we should hear more of this, more often. [Hon. Members: “Hear, hear.”]Last year, I convened a roundtable of stakeho…

13 Jul 2026   Immigration and Asylum Bill

I always hear the UK being described as having a welcoming nature and being a haven for people in times of great difficulty. I would say that it is, but only in limited circumstances. With Ukraine, for example, there was a broad consensus …

9 Jul 2026   Business of the House

Last week I asked a question about a new café opening in my constituency, and it has caused a bit of a kerfuffle. I cannot mention every single fantastic café in my constituency, but I am going to list a few. I have got to name Rick’s café…

9 Jul 2026   Topical Questions

From sea to plate, fisheries need the same long-term certainty as farmers in order to strengthen our food security, encourage healthy, high-protein diets and help to build jobs and skills pipelines that coastal communities need. Will the M…

2 Jul 2026   Business of the House

Will the Leader of the House join me in congratulating Serhat Erdogan and his team on the successful opening of Cafe Victoria? He has taken on a long-empty shop in Grimsby town centre, which shows great confidence in the local economy of G…

2 Jul 2026   Well-paid Jobs: Great Grimsby and Cleethorpes

News of apprenticeship incentives, the youth jobs grant and the jobs guarantee will provide a welcome boost for my brilliant young people in Great Grimsby and Cleethorpes, but they and other jobseekers will want to know what permanent jobs…

2 Jul 2026   Well-paid Jobs: Great Grimsby and Cleethorpes

8. What steps his Department is taking to support the creation of well-paid jobs in Great Grimsby and Cleethorpes constituency.

30 Jun 2026   Support for Victims of Abuse

The brilliant Denise Farman has been the chief officer of Women’s Aid in Grimsby for the last 25 years. She has pioneered move-on accommodation for those women and children leaving refuge to start to build the foundations of their new life…

30 Jun 2026   Support for Victims of Abuse

20. What steps his Department is taking to support women and children who have experienced abuse to access support services.

30 Jun 2026   High Streets

The Minister is making a really important point. Grimsby town centre has diversified what the town centre offers; there will be a new cinema and more activities for families. That all ties into a youth offer with the brand new Youth Zone, …

30 Jun 2026   High Streets

The hon. Gentleman talks about the BBC investigation work that has been undertaken in recent months, which has exposed a huge amount of organised crime, including child sexual exploitation, money laundering and links to false asylum claims…

30 Jun 2026   High Street Regeneration and Unlawful Storefronts

The hon. Member is being very gracious with his time. Is he aware that in Dudley there is a very tenacious trading standards officer who has managed to secure 40 closure orders in recent years, which far exceeds any other local authority? …

30 Jun 2026   High Street Regeneration and Unlawful Storefronts

Will the hon. Gentleman give way?

30 Jun 2026   High Street Regeneration and Unlawful Storefronts

I congratulate the hon. Gentleman on securing this important debate. He mentioned vape shops, barber shops and mini-marts. He will be aware of the evidence that some of those enterprises are masking quite serious organised crime on our hi…

24 Jun 2026   Climate Change

I thank the hon. Gentleman for giving way. I wonder whether he agrees with the Reform leader of North East Lincolnshire council, who has said that he fully supports the renewables sector. Given that he was working for the hon. Gentleman un…

24 Jun 2026   Climate Change

Will the hon. Gentleman give way?

23 Jun 2026   Fly-tipping: Residential Areas

I thank the Minister for that response. I welcome the news about the tax checks and greater intervention of HMRC and the Organised Crime Task Force. Perhaps it would help to bring Louisa Rolfe into Parliament for a roundtable to discuss ho…

23 Jun 2026   Fly-tipping: Residential Areas

I am very grateful for my constituent’s contribution. It is an excellent one, as always. He makes a very valid point; Phillips 66 is a great contributor to community activities across our areas, but I would not like us to rely on that all …

23 Jun 2026   Fly-tipping: Residential Areas

The responsibilities of housing associations on their land is a similar issue, as they are facing financial challenges of their own. That is why we end up relying so much on communities to come together and do the clean-up. There needs to …

23 Jun 2026   Fly-tipping: Residential Areas

It is interesting that the hon. Member says there might be a gap in regulations, and I suspect that that is the case for not just rural private land but all private land. I have the same thing in my constituency, where there are alleyways …

Source: contributions on parliament.uk.

Full parliamentary career16 past posts

Opposition posts

  • Shadow Minister (Housing, Communities and Local Government) (Housing) · Ministry of Housing, Communities and Local Government 9 Jan 2018 – 27 Mar 2019
  • Shadow Minister (Housing) · Department for Communities and Local Government 3 Jul 2017 – 9 Jan 2018
  • Shadow Deputy Leader of the House of Commons · Office of the Leader of the House of Commons 18 Sep 2015 – 27 Jun 2016

Committee memberships

Previous seats

  • Great Grimsby · Elected 2 times 7 May 2015 – 6 Nov 2019

Elections contested

  • Great Grimsby 12 Dec 2019

Source: parliamentary career on parliament.uk.

Expenses£14,130 · 2025/26
Office Costs£14,130

See every line item

Source: IPSA (OGL v3.0)

Contact & offices[email protected]

[email protected]

020 7219 7185

Website

Facebook

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Parliamentary office

House of Commons, London, SW1A 0AA

Constituency office

Constituency office

Frequently asked questions

Common questions about Melanie Onn, answered from official Parliament data.

Who is Melanie Onn?

Melanie Onn is a Member of Parliament representing Great Grimsby and Cleethorpes in the House of Commons. See Melanie Onn's official Parliament profile.

Which party does Melanie Onn represent?

Melanie Onn sits as Labour. See Melanie Onn's official Parliament profile.

Which constituency does Melanie Onn represent?

Melanie Onn is the Member of Parliament for Great Grimsby and Cleethorpes. See Melanie Onn's official Parliament profile.

How long has Melanie Onn been an MP?

Melanie Onn has served in the House of Commons for 2 years. See Melanie Onn's official Parliament profile.

What registered interests are listed for Melanie Onn?

Melanie Onn has 6 entries in the Register of Members' Financial Interests. See Melanie Onn's official Parliament profile.

Source: this MP's official Parliament profile. Last updated 26 Jul 2026.