About O'Mahony McLeod LLP

O'Mahony McLeod LLP is a two partner law firm in downtown Sarnia, Ontario, led by Jennifer E. McLeod and William A. O'Mahony. The firm practises family law, real estate, wills and estates, and corporate and commercial law, and it also offers negotiation, mediation, and arbitration along with notary public and commissioner of oaths services. Its office is on the ground floor of the St. Clair Corporate Centre on Front Street North.

Both partners grew up in Lambton County and returned home to practise. McLeod earned a JD from the University of Western Ontario, a Bachelor of Arts in Spanish and International Development from the University of Guelph, and an MA in Spanish Literature from the University of Toronto, and taught English in Spain and Spanish in England before law school. McLeod's practice covers family law matters such as parenting time, support, and property division, along with estate law applications for dependant's relief and guardianship, and includes appearances before the Ontario Court of Justice, the Superior Court of Justice, and the Court of Appeal for Ontario. O'Mahony holds a BA in Political Science from Bishop's University in Quebec and an LLB from James Cook University in Australia, and handles real estate transactions such as home purchases, refinancing, and private mortgages, plus wills, estate administration, and corporate and commercial matters.

In the community

  • Jennifer E. McLeod serves as President of the Lambton Law Association.
  • William A. O'Mahony coaches a junior boys' hockey team.

Good to know

A person using a wheelchairAccessible parking

Where to find them

265 Front Street North - Unit 101, Sarnia, Ontario N7T 5S6 · 519-704-1923

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This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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