License & bar number lookup
Ohio Attorney License Lookup
Search 79,812 attorneys registered with the Supreme Court of Ohio, Office of Attorney Services by name or bar number. Every record shows the official license status and as-of date.
How to verify a Ohio attorney
- Search the attorney by name or bar number in the search box above — it pulls the official Supreme Court of Ohio, Office of Attorney Services record.
- Confirm the license status reads "active" (not suspended, disbarred, inactive, or not eligible).
- Check the disciplinary standing — disbarred or suspended is a public record you can see before you hire.
- Cross-check the bar number and admission year against anything the attorney told you.
Ohio attorneys — last name “O”
Active Ohio attorneys with last names starting “O.” Use the search box above for an exact name or bar number.
Kerry Michael O'Brien
Akron, OH
- Bar #
- 25304
- Admitted
- 1975 · 51 yrs
- Law school
- University of Akron
- Firm
- Kerry O'Brien
Ronald Joseph O'Brien
New Albany, OH
- Bar #
- 17245
- Admitted
- 1974 · 52 yrs
- Law school
- Ohio State University
- Firm
- Zeiger, Tigges & Little
Timothy Francis O'Brien
Cleveland, OH
- Bar #
- 14026
- Admitted
- 1969 · 57 yrs
- Law school
- Cleveland State University
- Firm
- Timothy F. O'Brien
Stephen Michael O'Bryan
Cleveland, OH
- Bar #
- 9512
- Admitted
- 1969 · 57 yrs
- Law school
- Case Western Reserve University
- Firm
- Taft Stettinius & Hollister LLP
Edward Messmore O'Connell Jr.
Cincinnati, OH
- Bar #
- 14346
- Admitted
- 1973 · 53 yrs
- Law school
- University of Cincinnati
- Firm
- Buechner Haffer Meyers & Koenig Co., Lpa
Erich James O'Brien
Sandusky, OH
- Bar #
- 15619
- Admitted
- 1979 · 47 yrs
- Law school
- University of Toledo
- Firm
- Sandusky Municipal Court
Carol Anne O'Brien
Columbus, OH
- Bar #
- 26965
- Admitted
- 1983 · 43 yrs
- Law school
- University of Toledo
- Firm
- Office of Attorney General
Michael Joseph O'Brien
Beachwood, OH
- Bar #
- 18769
- Admitted
- 1983 · 43 yrs
- Law school
- Cleveland State University
- Firm
- Brennan Manna & Diamond LLC
Gerald Francis O'Connell Jr.
Cincinnati, OH
- Bar #
- 18176
- Admitted
- 1984 · 42 yrs
- Law school
- University of Cincinnati
- Firm
- Bricker Graydon
David Landers O'Connell
Toledo, OH
- Bar #
- 15853
- Admitted
- 1984 · 42 yrs
- Law school
- Case Western Reserve University
- Firm
- Marshall & Melhorn, LLC
James Francis O'Brien
Cincinnati, OH
- Bar #
- 30165
- Admitted
- 1985 · 41 yrs
- Law school
- Washington University
- Firm
- Retired
Gregory Edmund O'Brien
Cleveland, OH
- Bar #
- 37073
- Admitted
- 1986 · 40 yrs
- Law school
- Ohio State University
- Firm
- Cavitch Familo & Durkin Lpa
Terence Kevin O'Brien
Solon, OH
- Bar #
- 40369
- Admitted
- 1988 · 38 yrs
- Law school
- Cleveland State University
- Firm
- Kendis, O'Brien & Stanek Co. L.p.a.
Cheryl Ann O'Brien
Beachwood, OH
- Bar #
- 41240
- Admitted
- 1989 · 37 yrs
- Law school
- Cleveland State University
- Firm
- Cleveland Clinic
Isobel Terese O'Brien
Toledo, OH
- Bar #
- 41955
- Admitted
- 1989 · 37 yrs
- Law school
- University of Toledo
- Firm
- Isobel T. O'Brien
Michael James O'Callaghan
Columbus, OH
- Bar #
- 43874
- Admitted
- 1990 · 36 yrs
- Law school
- University of Detroit Mercy
- Firm
- Shumaker, Loop & Kendrick, LLP
Colleen Mary O'Connell
Kenton, OH
- Bar #
- 43917
- Admitted
- 1990 · 36 yrs
- Law school
- Cleveland State University
- Firm
- Hardin County Csea
Ann Marie O'Brien
Akron, OH
- Bar #
- 55508
- Admitted
- 1991 · 35 yrs
- Law school
- University of Akron
- Firm
- Ohio Department of Transportation
Tamara Anne O'Brien
Akron, OH
- Bar #
- 59284
- Admitted
- 1992 · 34 yrs
- Law school
- Cleveland State University
- Firm
- Summit County Court of Common Pleas
Brian Jeffries O'Connell
Cincinnati, OH
- Bar #
- 59276
- Admitted
- 1992 · 34 yrs
- Law school
- University of Dayton
- Firm
- Strauss Troy Co., Lpa
Margaret Ann O'Bryon
Elyria, OH
- Bar #
- 62047
- Admitted
- 1993 · 33 yrs
- Law school
- Case Western Reserve University
- Firm
- City of Elyria
Dennis Lindsey O'Brien
Westlake, OH
- Bar #
- 63262
- Admitted
- 1994 · 32 yrs
- Law school
- Capital University Law School
- Firm
- O'Brien Legal Services LLC
Gregory Joseph O'Brien
Cleveland, OH
- Bar #
- 63441
- Admitted
- 1994 · 32 yrs
- Law school
- Cleveland State University
- Firm
- Taft Stettinius & Hollister LLP
Melvin Francis O'Brien
Wheeling, WV
- Bar #
- 64252
- Admitted
- 1994 · 32 yrs
- Law school
- Cleveland State University
- Firm
- Dickie, McCamey & Chilcote
Theresa Boland O'Brien
Pittsburgh, PA
- Bar #
- 64247
- Admitted
- 1994 · 32 yrs
- Law school
- Cleveland State University
- Firm
- Dell Moser Lane & Loughney
Daniel Brian O'Brien
Hebron, KY
- Bar #
- 66171
- Admitted
- 1996 · 30 yrs
- Law school
- Northern Kentucky University
- Firm
- Daniel B. O'Brien
Sean James O'Brien
Warren, OH
- Bar #
- 70302
- Admitted
- 1998 · 28 yrs
- Law school
- University of Akron
- Firm
- State of Ohio
Eugene Donald O'Byrne IV
Canton, OH
- Bar #
- 70124
- Admitted
- 1998 · 28 yrs
- Law school
- University of Akron
- Firm
- Eugene O'Byrne, Esq.
Keely Jane O'Bryan
N/a, OH
- Bar #
- 71438
- Admitted
- 1999 · 27 yrs
- Law school
- Vermont Law School
Casey Patrick O'Brien
Chardon, OH
- Bar #
- 72378
- Admitted
- 2000 · 26 yrs
- Law school
- Cleveland State University
- Firm
- Ibold & O'Brien
Mark Steven O'Brien
Cleveland Heights, OH
- Bar #
- 72886
- Admitted
- 2000 · 26 yrs
- Law school
- Cleveland State University
Bridget Mary O'Brien
Cleveland, OH
- Bar #
- 74169
- Admitted
- 2001 · 25 yrs
- Law school
- Cleveland State University
- Firm
- Cleveland Municipal Court
Leah Victoria O'Carroll
Columbus, OH
- Bar #
- 75477
- Admitted
- 2002 · 24 yrs
- Law school
- Capital University Law School
- Firm
- Ohio Department of Commerce -Dfi
Valerie Jean O'Brien
Cincinnati, OH
- Bar #
- 75799
- Admitted
- 2003 · 23 yrs
- Law school
- University of Utah
Susan Fenwick O'Brien
Cleveland, OH
- Bar #
- 78315
- Admitted
- 2004 · 22 yrs
- Law school
- Case Western Reserve University
- Firm
- Brookfield Properties Multifamily
Megan Davis O'Callaghan
Dublin, OH
- Bar #
- 78149
- Admitted
- 2004 · 22 yrs
- Law school
- Capital University Law School
- Firm
- City of Dublin
Shannon Lee O'Brien
Columbus, OH
- Bar #
- 79067
- Admitted
- 2005 · 21 yrs
- Law school
- Capital University Law School
- Firm
- State of Ohio Ucrc
Kelly Sue O'Brien
Toledo, OH
- Bar #
- 81824
- Admitted
- 2007 · 19 yrs
- Law school
- University of Toledo
- Firm
- Legal Aid of Western Ohio, Inc.
Nicholas Edward O'Bryan
Indianapolis, IN
- Bar #
- 82711
- Admitted
- 2007 · 19 yrs
- Law school
- University of Dayton
- Firm
- Simon Property Group
Jeremiah Patrick O'Brien
Sylvania, OH
- Bar #
- 83520
- Admitted
- 2008 · 18 yrs
- Law school
- University of Toledo
- Firm
- Lavalley, Lavalley, Todak & Schaefer Co.
Daniel Joseph O'Brien
Cleveland, OH
- Bar #
- 84843
- Admitted
- 2009 · 17 yrs
- Law school
- Ohio State University
- Firm
- Benesch Friedlander Coplan & Aronoff
Daniel Jeffrey O'Brien
Cincinnati, OH
- Bar #
- 85116
- Admitted
- 2009 · 17 yrs
- Law school
- University of Cincinnati
- Firm
- Social Security Administration
Erica Franca O'Brien
Mason, OH
- Bar #
- 85409
- Admitted
- 2009 · 17 yrs
- Law school
- Florida State University
- Firm
- Cintas Corporation
Aaron Alexander O'Brien
Pepper Pike, OH
- Bar #
- 85984
- Admitted
- 2010 · 16 yrs
- Law school
- Case Western Reserve University
- Firm
- 0085984
Matthew William O'Brien
Cleveland, OH
- Bar #
- 87089
- Admitted
- 2010 · 16 yrs
- Law school
- Cleveland State University
- Firm
- Cuyahoga County Court of Common Pleas
James Griffin O'Brien
Atlanta, GA
- Bar #
- 88460
- Admitted
- 2011 · 15 yrs
- Law school
- University of Notre Dame
- Firm
- Bey & Associates LLC
Sean Thomas O'Brien
Orange Village, OH
- Bar #
- 88349
- Admitted
- 2011 · 15 yrs
- Law school
- Ohio State University
- Firm
- Contintental Heritage Insurance, Co.
Stephanie Nicole O'Banion
Cincinnati, OH
- Bar #
- 89659
- Admitted
- 2012 · 14 yrs
- Law school
- University of Dayton
- Firm
- O'Banion Law LLC
Kathaleen Suzanne O'Brien
Canton, OH
- Bar #
- 91529
- Admitted
- 2014 · 12 yrs
- Law school
- University of Akron
- Firm
- Kathaleen S. O'Brien
Cullin Avram O'Brien
Ft. Lauderdale, FL
- Bar #
- 94055
- Admitted
- 2015 · 11 yrs
- Law school
- Harvard University
- Firm
- Cullin O'Brien Law, P.a.
Angela Diane O'Brien
Columbus, OH
- Bar #
- 97579
- Admitted
- 2018 · 8 yrs
- Law school
- Indiana University-Indianapolis
- Firm
- Office of the Ohio Consumers' Counsel
William Jay O'Brien Jr
Pittsburgh, PA
- Bar #
- 98246
- Admitted
- 2019 · 7 yrs
- Law school
- Duquesne University
- Firm
- Steptoe & Johnson PLLC
Brett John O'Brien
Cleveland Heights, OH
- Bar #
- 100848
- Admitted
- 2021 · 5 yrs
- Law school
- Case Western Reserve University
Liam Michael O'Brien
Cleveland, OH
- Bar #
- 100587
- Admitted
- 2021 · 5 yrs
- Law school
- Cleveland State University
- Firm
- Case Western Reserve University
Jordan Michael O'Brien
Walnut Creek, CA
- Bar #
- 100898
- Admitted
- 2022 · 4 yrs
- Law school
- St. John'S University
- Firm
- Angius & Terry, LLP
Abbie Carrico O'Brien
Columbus, OH
- Bar #
- 104483
- Admitted
- 2025 · 1 yr
- Law school
- University of Kentucky
- Firm
- Ohiohealth Corporation
Claire Payton O'Brien
Cleveland, OH
- Bar #
- 106233
- Admitted
- 2025 · 1 yr
- Law school
- Ohio Northern University
- Firm
- Sobel, Wade & Mapley, LLC
Robert Joseph O'Brien
Rocky River, OH
- Bar #
- 106542
- Admitted
- 2025 · 1 yr
- Law school
- Cleveland State University
Tara Ann O' Brien Wu
Hilliard, OH
- Bar #
- 102881
- Law school
- N/a
- Firm
- Verizon
Sean Patrick O'Brien
Dublin, OH
- Bar #
- 95418
- Law school
- N/a
- Firm
- Ccfi, LLC
Disciplinary actions
See Ohio attorney disciplinary actions (6,209 attorneys currently disbarred or suspended of record).
Frequently asked questions
How do I check if a lawyer is licensed in Ohio?
Search their name or bar number in the lookup above. It returns the official Supreme Court of Ohio, Office of Attorney Services record, including current license status and admission year. If no record comes back, the person may not be licensed in Ohio.
How many attorneys are registered in Ohio?
79,812 attorneys are registered with the Supreme Court of Ohio, Office of Attorney Services, and 43,834 are on active status. Every record here shows the official license status and as-of date.
Is Ohio attorney discipline public?
Yes. License status, including disbarment and suspension of record, is public information published by the Supreme Court of Ohio, Office of Attorney Services. 6,209 Ohio attorneys are currently disbarred or suspended of record.
What is a bar number?
A bar number is the unique ID the Supreme Court of Ohio, Office of Attorney Services assigns to each admitted attorney. It is the most reliable way to confirm you are looking at the right person, especially for common names.
Does this cost anything?
No. Looking up a Ohio attorney's license and disciplinary standing on this site is free and requires no account.
Data sources & last updated
- Licensing roster & status: Supreme Court of Ohio, Office of Attorney Services. Published active-attorney total (2023).
- Resident-attorney benchmark: ABA National Lawyer Population Survey 2024.
- Data on this page as of 2026-06-13 (last roster ingest).
This site republishes official public records and is not legal advice, a lawyer referral service, or a consumer reporting agency. Information here may not be used to make decisions about employment, tenancy, or credit (FCRA). Records are shown as published by their official sources and may contain errors or be out of date; consult the linked official source to verify. To correct or dispute a record, contact the licensing authority of record.