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William P. O'Leary

Family Attorney at Dearborn, MI

5.0   4 reviews

also known as Bill O'Leary

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About William

Learn William’s areas of practice.

Practice areas
  1. Family

    27 years, 350 cases

  2. Bankruptcy and debt

    27 years, 220 cases

  3. Criminal defense

    27 years, 200 cases

  4. DUI and DWI

    27 years, 180 cases

  5. Wills and living wills

    27 years, 480 cases

Licensed for 37 years
State MI
Status Emeritus
Acquired 1985
Updated 02/23/2023

Contact William

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William P. O'Leary
21905 Garrison St
Dearborn, MI, 48124-2303


5.0 / 5.0
  4 customer reviews
5 Star
4 Star
3 Star
2 Star
1 Star
Posted by Dawn | April 7, 2019
This review is from a person who hired this attorney.
| Hired Attorney
Thank you, Mr. O'Leary!
Mr. O'Leary helped my son and I with a difficult lawsuit. He never gave up, and continued to fight for our rights! If you are ever in need of an Attorney, Mr. O'Leary is the one to call!
Posted by Monique | December 19, 2018
This review is from a person who hired this attorney.
| Hired Attorney
Above and Beyond
I never meet such a real human being that serves as a lawyer. Bill earned the trust of me and my family and was always willing to go an extra mile even in the beginning of the case when he did not have all the facts. When you deal with Westland Police Department is when you notice many of their officers have a disregard for following their own policy and procedures but Bill worked tirelessly even on Sundays to update me and research a better more practical alternative for a Federal Crime. He represented my family member to the best of his ability, and without Bill we would have continued to use a failed free public attorney that never recommended Mental Health Court since my family member first entered the system as a 15yr old. The due diligence conducted by Bill was the reason we settled on the best outcome for rehabilitation versus any jail time which was the goal of the Westland Police Department.
Read less
Posted by Marie | April 20, 2016
This review is from a person who hired this attorney.
| Hired Attorney
Great attorney
Bill O'leary came prepared to argue my case. I appreciate his tenacity and his concern for the welfare of my family. I would hire him in the future if I am in ever need of services. 10/10
Posted by Familylawclient | April 15, 2014
This attorney has helped my family
I recommend Mr O'Leary. He is smart and caring and he knows the law. We were in a terrible custody battle with an abuser. He is good at pointing out quick evidence and advocating for his clients. I will refer his name to others if they are in need of legal counsel.


  • Free Consultation 30 minutes
Payment methods
Cash, Check, Credit Card


AVVO RATING 6.5 (Good)

Professional misconduct

This lawyer was disciplined by a state licensing authority in 2006.

Reprimand issued in MI, 2006
updated on 08/11/2016

Reprimand means an attorney did something wrong but may still practice law. The State gives the lawyer a public reprimand in hopes that he or she will not repeat the behavior. Details of the infraction are made part of the public record.

William's comment: “In the early 2000s I represented a woman in a divorce. She was entitled to pension benefits, but her husband died before a claim was made. Although I don't do orders securing benefits,and had told her so, I believe I failed to serve her by sending out a notice to her new address, telling her to begin the process, and I accepted an uncontested reprimand. I did enter an order allowing her to begin her claim.”

Work Experience

  • Owner
  • Law Office of William O'Leary
  • 1996 - Present
  • Trial Attorney
  • Hickey and Cianciolli
  • 1995 - 1996
  • Birth TraumaTrial Attorney
  • Kitch
  • 1985 - 1995


  • Hamline University School of Law
  • JD - Juris Doctor
  • 1985
  • University of Kansas
  • MA - Masters
  • 1970
  • College of Saint Benedict
  • BA - Bachelor of Arts
  • 1968


  • Michigan Bar Association
  • Member
  • 1996 - Present

Languages Spoken

  • English

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Dearborn Family Lawyer William P. O'Leary
William P. O'Leary
Family Attorney
Dearborn, MI
Licensed for 37 years
Free Consultation