Who we are

People.

Our experienced legal specialist support clients across Ireland.

Our people bring together deep experience in insurance litigation, claims advisory, mediation, recovery and indemnity matters. With offices across Ireland, Nathaniel Lacy LLP provides clients with accessible, practical and commercially aware support wherever a claim arises.

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Our Offices.

Dublin Office →
Meath Office →
Galway Office →
Sligo Office →
Letterkenny Office →
Cork Office →

Partners

Dublin Office.

Our Dublin office supports insurers and claims teams on litigation, advisory and dispute resolution matters across a wide range of sectors.

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People
Nat Lacy
Nat Lacy

Managing Partner

Nat Lacy is Managing Partner of Nathaniel Lacy LLP, with over 15 years’ experience in insurance defence litigation, acting for insurance companies, local authorities and self-insured corporate entities. His expertise includes public liability, employers’ liability, road traffic and commercial claims.

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Deirdre Malone
Deirdre Malone

SENIOR ASSOCIATE SOLICITOR

A dual-qualified solicitor and CEDR mediator, Deirdre defends defamation and data breach claims alongside the core insurance caseload for multinational insurers, self-insured bodies and State entities.

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Peig Lenehan
Peig Lenehan

SENIOR ASSOCIATE SOLICITOR

After ten years in-house with leading insurers, Peig brings a client-side perspective to personal injury defence litigation, advising insurers across the District, Circuit and High Courts.

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Audrey McGinley
Audrey McGinley

SENIOR ASSOCIATE SOLICITOR

With 18 years’ experience, Audrey focuses on the defence of suspected fraudulent and exaggerated claims, acting for insurers in road traffic, employers’ and public liability matters.

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Karen Cahill
Karen Cahill

SENIOR LEGAL EXECUTIVE

A Senior Legal Executive, Karen manages the firm’s third party recoveries and defence pre-litigation teams, running recovery and personal injury files for insurer clients.

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Meath Office.

Our Meath office provides regional strength within the firms wider national litigation and claims advisory practice.

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People
Donna Kerrigan
Donna Kerrigan

PARTNER AND DATA PROTECTION OFFICER

Donna specialises in the defence of suspected fraudulent and exaggerated claims for leading motor, public and employers’ liability insurers, defending actions at all court levels.

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John B. Lacy
John B. Lacy

CHAIRPERSON & CONSULTANT

John B. Lacy qualified as a solicitor in 1965 and led Nathaniel Lacy LLP for 42 years. A former Coroner for County Meath and Chairman of Mental Health Tribunals, he continues to contribute his extensive legal experience to the firm as a Consultant.

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Thea Carolan
Thea Carolan

SENIOR ASSOCIATE SOLICITOR

A solicitor and Registered General Nurse, Thea advises on residential and commercial property, wills and probate, and brings her clinical background to medical negligence litigation.

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Sharon Brady
Sharon Brady

HEAD OF IT AND INNOVATION

Head of Information, Technology and Innovation, Sharon leads the firm’s technology strategy, spanning IT operations, cybersecurity, data protection, cloud services and business continuity.

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Kathleen McGovern
Kathleen McGovern

FINANCIAL CONTROLLER

Financial Controller with more than 34 years in legal accounts, Kathleen oversees the firm’s accounting and its compliance with Law Society requirements and regulations.

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Yvonne O’Brien
Yvonne O’Brien

HEAD OF HUMAN RESOURCES

Head of Human Resources and a qualified ACCA accountant, Yvonne leads the firm’s people function, focusing on staff development and workplace culture.

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Galway Office.

Our Galway office supports clients across the West of Ireland, working closely with the wider firm on insurance, defence claims and advisory matters..

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People
Mel Bourke
Mel Bourke

PARTNER

Mel acts for leading insurers in road traffic, employers’ and public liability and defamation claims, including high-profile cases applying the Personal Injuries Guidelines.

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Rachel Gilroy
Rachel Gilroy

SENIOR ASSOCIATE SOLICITOR

Rachel handles complex insurance litigation, including large-loss, multi-party and coverage disputes, for insurers, local authorities and State bodies, with strong alternative dispute resolution experience.

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Lisa Mulloy
Lisa Mulloy

SENIOR ASSOCIATE SOLICITOR

Lisa specialises in defending suspected fraudulent and exaggerated claims, acting in matters dismissed before the courts and helping insurer clients develop anti-fraud strategies.

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Sligo Office.

Our Sligo office provides local access and practical legal support for clients managing claims and disputes in the North West.

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People
Mel Bourke
Mel Bourke

PARTNER

Mel acts for leading insurers in road traffic, employers’ and public liability and defamation claims, including high-profile cases applying the Personal Injuries Guidelines.

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Rachel Gilroy
Rachel Gilroy

SENIOR ASSOCIATE SOLICITOR

Rachel handles complex insurance litigation, including large-loss, multi-party and coverage disputes, for insurers, local authorities and State bodies, with strong alternative dispute resolution experience.

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Aine Mulderrig
Aine Mulderrig

SENIOR ASSOCIATE SOLICITOR

Practising in defence litigation since 2002 and a former partner, Aine is a qualified mediator handling personal injury, medical negligence and local-authority claims across all courts.

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Letterkenny Office.

Our Letterkenny office extends the firm’s reach across Donegal and the wider North West, supporting clients with litigation, claims and advisory work.

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People
Jill Vance
Jill Vance

PARTNER

Jill combines a core employers’ and public liability practice with large-loss recovery litigation, pursuing significant insured losses for commercial insurers across all court jurisdictions.

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Rachel Gilroy
Rachel Gilroy

SENIOR ASSOCIATE SOLICITOR

Rachel handles complex insurance litigation, including large-loss, multi-party and coverage disputes, for insurers, local authorities and State bodies, with strong alternative dispute resolution experience.

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Cork Office.

Our Cork office strengthens the firm’s presence across Munster, supporting clients with litigation, claims and advisory work throughout the region.

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People
Louise Smith
Louise Smith

PARTNER

Part of the Dispute Resolution team, Louise defends fraudulent and exaggerated claims and designs fraud-prevention strategies and training for major insurers across the sector.

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Sinead Weldon
Sinead Weldon

SENIOR LEGAL EXECUTIVE

Sinead joined Nathaniel Lacy LLP in 2026 and has over 20 years of experience in the legal sector, with extensive experience in employers’ liability and personal injury claims.

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