About Us

Supporting the Tallaght community with legal advice since 2001

With decades of cumulative experience on our legal team, our solicitors are on hand to advise and defend your case in the Courts on a wide variety of matters from personal Injury and medical negligence to criminal law. Our legal experts also represent clients from all over the country in the Circuit Court and High Court. 


John O' Leary

John founded the practice in 2001 with his wife Mary and it has grown from strength to strength ever since. John’s primary areas of practice are Conveyancing, Personal Injury Litigation and Criminal Defence. John attends Tallaght District Court on a daily basis and has represented clients before the District Court, Circuit Court, Central Criminal Court, High Court and Supreme Court.


Law Society of Ireland, Professional Practice Course, 2001.

  • The Law Society of Ireland

  • Tallaght Bar Association


087 917 2561

Aisling O'Leary

Aisling O’Leary began working in John O’Leary Solicitors in October 2010 and become a partner in 2018. Since joining the firm Aisling has gained extensive experience in representing clients in the District Court, Circuit Court and Superior Courts. Aisling mainly practices in Personal Injury Litigation, Medical Negligence, Family Law, Wills and Probate. Aisling also advises clients in relation to Conveyancing, Defamation and Enduring Powers of Attorney.


Law Society of Ireland, Professional Practice Course.

The Law School at Dublin Business School
Higher Diploma Legal Studies, 2010

University College Dublin
B.A., Economics, 2010

  • The Law Society of Ireland

  • Tallaght Bar Association


01 4271000

John Patrick O'Leary

John joined John O’Leary solicitors in 2015 and qualified as a solicitor in 2020.

John specialises in personal injury litigation, medical negligence, employment law and criminal law, representing clients in the District, Circuit and Superior courts.

John’s focus is on achieving the best possible results for his client’s, whilst making sure that his clients fully understand the legal process and the actions they are taking.  

  • Law Society of Ireland, Professional Practice Course.
  • Masters degree in Supply Chain Management – UCD Michael Smurfit Graduate Business School – 2014
  • Bachelor’s Degree in Business Management – Technological University Dublin – 2013
  • The Law Society of Ireland
  • Tallaght Bar Association



Conor O' Leary

Conor joined John O’Leary Solicitors in 2016 and qualified as a solicitor in 2022.

Conor specialises in Probate, Property Conveyancing and Personal Injury Litigation.

Conor has considerable experience in dealing with complex property queries, as well as the administration of estates. He also has experience in advising on Personal Injury cases in the District, Circuit and High Courts.


Our Incredible Team

Our team works hard to make sure you are getting the best service possible.

Helen Doyle

Legal Secretary

Lorraine Farrell

Legal Secretary

Lauren Humphries

Legal Secretary


To schedule a consultation with one of our solicitors, you can easily do so through our website or by contacting our office directly. We offer convenient appointment scheduling options to accommodate your availability. 

Our team of solicitors specializes in a wide range of legal areas, including but not limited to family law, criminal defense, conveyancing, and wills and probate. We have dedicated professionals with expertise in various fields to provide comprehensive legal assistance tailored to your specific needs.

During your initial consultation with our solicitors, you can expect a confidential and informative discussion about your legal matter. We will listen to your concerns, ask relevant questions, and provide an assessment of your situation. This meeting is an opportunity for you to learn about your options, potential strategies, and the legal process involved. There is no obligation to hire us after the initial consultation, and we encourage you to ask any questions you may have.