About O'Flynn Weese LLP

O'Flynn Weese LLP is a Belleville, Ontario law firm that traces its history to an 1886 partnership between Francis Edmund O'Flynn and W. Jeffers Diamond, first known as O'Flynn and Diamond. The name changed several times as new partners joined over the following century, becoming O'Flynn and Weese in 1974 when Stephen A. Weese joined the practice, and settling on O'Flynn Weese LLP in 2007. Today it's one of the largest firms in the Quinte area, with eight lawyers practicing real estate, family law, corporate and commercial law, civil litigation, wills and estates, and administrative law.

The firm has occupied its current building at the corner of Bridge and Church Streets in downtown Belleville since 1984, a converted century home that had earlier served as a local doctor's medical office. It has since grown through four additions to more than 7,000 square feet of office space, with the main floor offices and meeting rooms updated in 2014 while keeping the building's original character. The firm's alumni include four judges and two Assistant Crown Attorneys, and several former partners have gone on to the bench, including appointments to the Ontario Superior Court of Justice and the Ontario Court of Justice.

Practice areas

Not listed

In the community

  • A partner at the firm chairs the board of the YMCA of Central East Ontario and serves as Vice Chair of the Camp Quin-Mo-Lac Corporation board, and is a past President of the Hastings County Law Association.
  • A partner was a Director of the Rotary Club of Belleville from 2022 to 2024 and previously chaired its Satellite Club, and is Vice-Chair of the Quinte Ballet School of Canada.
  • A partner is a past President of the Belleville and District Chamber of Commerce and a past Chair of the board of the Community Advocacy and Legal Centre.
  • A partner is a past President of the Rotary Club of Picton.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

Where to find them

65 Bridge Street East, Belleville, Ontario K8N 1L8 · 613-966-5222

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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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