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
OH attorney
- Bar #
- 26965
- Admitted
- 1983 · 43 yrs
Michael Joseph O'Brien
OH attorney
- Bar #
- 18769
- Admitted
- 1983 · 43 yrs
Gerald Francis O'Connell Jr.
OH attorney
- Bar #
- 18176
- Admitted
- 1984 · 42 yrs
David Landers O'Connell
OH attorney
- Bar #
- 15853
- Admitted
- 1984 · 42 yrs
James Francis O'Brien
OH attorney
- Bar #
- 30165
- Admitted
- 1985 · 41 yrs
Gregory Edmund O'Brien
OH attorney
- Bar #
- 37073
- Admitted
- 1986 · 40 yrs
Terence Kevin O'Brien
OH attorney
- Bar #
- 40369
- Admitted
- 1988 · 38 yrs
Cheryl Ann O'Brien
OH attorney
- Bar #
- 41240
- Admitted
- 1989 · 37 yrs
Isobel Terese O'Brien
OH attorney
- Bar #
- 41955
- Admitted
- 1989 · 37 yrs
Michael James O'Callaghan
OH attorney
- Bar #
- 43874
- Admitted
- 1990 · 36 yrs
Colleen Mary O'Connell
OH attorney
- Bar #
- 43917
- Admitted
- 1990 · 36 yrs
Ann Marie O'Brien
OH attorney
- Bar #
- 55508
- Admitted
- 1991 · 35 yrs
Tamara Anne O'Brien
OH attorney
- Bar #
- 59284
- Admitted
- 1992 · 34 yrs
Brian Jeffries O'Connell
OH attorney
- Bar #
- 59276
- Admitted
- 1992 · 34 yrs
Margaret Ann O'Bryon
OH attorney
- Bar #
- 62047
- Admitted
- 1993 · 33 yrs
Dennis Lindsey O'Brien
OH attorney
- Bar #
- 63262
- Admitted
- 1994 · 32 yrs
Gregory Joseph O'Brien
OH attorney
- Bar #
- 63441
- Admitted
- 1994 · 32 yrs
Melvin Francis O'Brien
OH attorney
- Bar #
- 64252
- Admitted
- 1994 · 32 yrs
Theresa Boland O'Brien
OH attorney
- Bar #
- 64247
- Admitted
- 1994 · 32 yrs
Daniel Brian O'Brien
OH attorney
- Bar #
- 66171
- Admitted
- 1996 · 30 yrs
Sean James O'Brien
OH attorney
- Bar #
- 70302
- Admitted
- 1998 · 28 yrs
Eugene Donald O'Byrne IV
OH attorney
- Bar #
- 70124
- Admitted
- 1998 · 28 yrs
Keely Jane O'Bryan
OH attorney
- Bar #
- 71438
- Admitted
- 1999 · 27 yrs
Casey Patrick O'Brien
OH attorney
- Bar #
- 72378
- Admitted
- 2000 · 26 yrs
Mark Steven O'Brien
OH attorney
- Bar #
- 72886
- Admitted
- 2000 · 26 yrs
Bridget Mary O'Brien
OH attorney
- Bar #
- 74169
- Admitted
- 2001 · 25 yrs
Leah Victoria O'Carroll
OH attorney
- Bar #
- 75477
- Admitted
- 2002 · 24 yrs
Valerie Jean O'Brien
OH attorney
- Bar #
- 75799
- Admitted
- 2003 · 23 yrs
Susan Fenwick O'Brien
OH attorney
- Bar #
- 78315
- Admitted
- 2004 · 22 yrs
Megan Davis O'Callaghan
OH attorney
- Bar #
- 78149
- Admitted
- 2004 · 22 yrs
Shannon Lee O'Brien
OH attorney
- Bar #
- 79067
- Admitted
- 2005 · 21 yrs
Kelly Sue O'Brien
OH attorney
- Bar #
- 81824
- Admitted
- 2007 · 19 yrs
Nicholas Edward O'Bryan
OH attorney
- Bar #
- 82711
- Admitted
- 2007 · 19 yrs
Jeremiah Patrick O'Brien
OH attorney
- Bar #
- 83520
- Admitted
- 2008 · 18 yrs
Daniel Jeffrey O'Brien
OH attorney
- Bar #
- 85116
- Admitted
- 2009 · 17 yrs
Daniel Joseph O'Brien
OH attorney
- Bar #
- 84843
- Admitted
- 2009 · 17 yrs
Erica Franca O'Brien
OH attorney
- Bar #
- 85409
- Admitted
- 2009 · 17 yrs
Aaron Alexander O'Brien
OH attorney
- Bar #
- 85984
- Admitted
- 2010 · 16 yrs
Matthew William O'Brien
OH attorney
- Bar #
- 87089
- Admitted
- 2010 · 16 yrs
James Griffin O'Brien
OH attorney
- Bar #
- 88460
- Admitted
- 2011 · 15 yrs
Sean Thomas O'Brien
OH attorney
- Bar #
- 88349
- Admitted
- 2011 · 15 yrs
Stephanie Nicole O'Banion
OH attorney
- Bar #
- 89659
- Admitted
- 2012 · 14 yrs
Kathaleen Suzanne O'Brien
OH attorney
- Bar #
- 91529
- Admitted
- 2014 · 12 yrs
Cullin Avram O'Brien
OH attorney
- Bar #
- 94055
- Admitted
- 2015 · 11 yrs
Angela Diane O'Brien
OH attorney
- Bar #
- 97579
- Admitted
- 2018 · 8 yrs
William Jay O'Brien Jr
OH attorney
- Bar #
- 98246
- Admitted
- 2019 · 7 yrs
Brett John O'Brien
OH attorney
- Bar #
- 100848
- Admitted
- 2021 · 5 yrs
Liam Michael O'Brien
OH attorney
- Bar #
- 100587
- Admitted
- 2021 · 5 yrs
Jordan Michael O'Brien
OH attorney
- Bar #
- 100898
- Admitted
- 2022 · 4 yrs
Abbie Carrico O'Brien
OH attorney
- Bar #
- 104483
- Admitted
- 2025 · 1 yr
Claire Payton O'Brien
OH attorney
- Bar #
- 106233
- Admitted
- 2025 · 1 yr
Robert Joseph O'Brien
OH attorney
- Bar #
- 106542
- Admitted
- 2025 · 1 yr
Tara Ann O' Brien Wu
OH attorney
- Bar #
- 102881
Sean Patrick O'Brien
OH attorney
- Bar #
- 95418
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.