Recognized in Best Lawyers since 2027 
Gillian Hayes is a Partner in the Family Law group at Barriston Law LLP in Barrie, Ontario. She advises clients on a wide range of family law matters, including parenting arrangements, child support, spousal support, property division, domestic contracts, and child protection proceedings.
Gillian represents parents and other caregivers in matters involving the Office of the Children’s Lawyer and is a Member of the Personal Legal Rights Panel. She is also trained in Collaborative Family Law and incorporates practical, resolution-focused approaches into her work whenever appropriate.
With a client-focused approach, Gillian works closely with individuals and families to help them navigate legal issues that can have a significant impact on their lives and relationships. She is committed to providing clear guidance and responsive service throughout each stage of the legal process.
Gillian earned her LL.B. (Honours) from the Faculty of Law at the University of Kent in the United Kingdom. She also holds a Bachelor of Arts degree in Political Science from Western University.
During law school, Gillian was actively involved with the Kent Law Clinic and helped establish the Canadian Law Society at the University of Kent. She also played a role in developing the Canadian Law Moot competition and has returned to the University to speak with students interested in pursuing legal careers in Canada.
Gillian was called to the Bar of the Law Society of Ontario in 2012.
Outside of her legal practice, Gillian enjoys spending time with her husband and daughter, playing ice hockey, travelling, and shopping.
