About Feeley O'Brien Law

Feeley O'Brien Law is a family and immigration law firm in downtown Oshawa, Ontario, operating through Annesa Feeley O'Brien Professional Corporation. The firm opened its doors in February 2020. Its founder, Annesa Feeley O'Brien, earned an honours law degree from the National University of Ireland, Galway in 2005, qualified as a solicitor in Ireland in 2009, and was called to the bar in Ontario in 2011 after articling with family law counsel in Whitby.

Feeley O'Brien Law handles the full range of family law work, including parenting and support disputes, separation agreements, and divorce, and it also practices immigration law with a focus on family reunification and sponsorship applications. At the appeal level of the Federal Court, the firm succeeded in overturning a denial of a spousal visa by Citizenship and Immigration Canada. The firm's name and branding draw on the Claddagh ring, a piece of jewellery from Annesa Feeley O'Brien's home village in County Galway, Ireland, whose design of two clasped hands, a heart, and a crown is said to represent friendship, love, and loyalty. Feeley O'Brien Law serves clients across Durham Region and into the Kawartha Lakes area, including Cobourg, Peterborough, and Lindsay.

Milestones & recognition

  • Feeley O'Brien Law opened in Oshawa in February 2020.
  • Annesa Feeley O'Brien qualified as a solicitor in Ireland in 2009 and was called to the bar in Ontario in 2011, after articling with family law counsel in Whitby.
  • Annesa Feeley O'Brien was named partner in 2016.
  • The firm has argued a case at the appeal level of the Federal Court, successfully overturning a denial of a spousal visa by Citizenship and Immigration Canada.
  • Annesa Feeley O'Brien is listed as a member of the Peterborough Law Association.

In the community

  • Feeley O'Brien Law publishes a blog on its site addressing developments in family and immigration law, including changes to the federal Divorce Act and shifts in the parent and grandparent sponsorship program.

Good to know

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

The neighbourhood

Feeley O'Brien Law's office is on Centre Street North in Oshawa, Ontario.

From that single office, Feeley O'Brien Law serves a catchment that reaches well beyond Oshawa itself, extending east to Cobourg and further into the Kawartha Lakes area, including Peterborough and Lindsay. Since the early days of the COVID-19 pandemic, the firm has kept video conference meetings available alongside in-person appointments at the Oshawa office, an option well suited to a client base spread across that wider region rather than concentrated close to downtown.

Frequently asked questions

What areas of law does Feeley O'Brien Law handle?
Feeley O'Brien Law practices family law and immigration law, handling parenting and support disputes, separation agreements, divorce, and property claims, along with immigration sponsorship applications, from its office in downtown Oshawa.
My marriage is ending. Can the firm help me with a separation agreement?
Feeley O'Brien Law prepares separation agreements, marriage contracts, and cohabitation agreements, and handles related issues such as parenting time, child support, and spousal support.
Can Feeley O'Brien Law help me sponsor my spouse to come to Canada?
Feeley O'Brien Law practices immigration law with a focus on family reunification and sponsorship applications, and has argued a case at the appeal level of the Federal Court that overturned a denial of a spousal visa.
Where is the firm located and what area does it serve?
Feeley O'Brien Law's office is in downtown Oshawa, and the firm serves clients across Durham Region, as well as Cobourg and the Kawartha Lakes area, including Peterborough and Lindsay.
Does Feeley O'Brien Law offer a free consultation?
For details on consultation options and fees, contact Feeley O'Brien Law directly.
How quickly can I expect a reply if I contact the firm?
Feeley O'Brien Law aims to respond to inquiries within one business day, according to the contact information posted on its site.

Where to find them

218 Centre Street North, 2nd Floor, Oshawa, Ontario L1G 4C5 · 905-493-2233

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Listing compiled from the firm’s public website in September 2026. Verify licence status in the Law Society of Ontario directory ↗