License & bar number lookup
Missouri Attorney License Lookup
Search 43,384 attorneys registered with the Supreme Court of Missouri / The Missouri Bar (unified/mandatory bar) by name or bar number. Every record shows the official license status and as-of date.
How to verify a Missouri attorney
- Search the attorney by name or bar number in the search box above — it pulls the official Supreme Court of Missouri / The Missouri Bar (unified/mandatory bar) 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.
Missouri attorneys — last name “O”
Active Missouri attorneys with last names starting “O.” Use the search box above for an exact name or bar number.
Janet Kalt O'Bannon
Kansas City
- Bar #
- 435a434a-d84e-49a7-a487-fc471c560a3c
Brian Kelly O'Bleness
Kansas City
- Bar #
- 62390c8c-ecbe-4790-9d34-1d2e7c1890a9
Mary Kathleen O'Blennis
Saint Charles
- Bar #
- 5ed4d669-0be8-4f5c-b14f-5b744d107160
Robert R. O'Blennis
Chesterfield
- Bar #
- 0b4eb780-0b92-4f0e-89a8-898d69f4875c
Robert G. O'Blennis
Chesterfield
- Bar #
- 1b143c14-d1b8-48bd-bfb6-b1e6c87e281b
Aaron John O'Brien
Jackson
- Bar #
- ce8817a8-1e40-412e-84e2-5aee1e87e060
Andrew A. O'Brien
St. Louis
- Bar #
- 54db13fa-5736-4e8d-b960-5c12ec4d8497
Andrew Daniel O'Brien
Kansas City
- Bar #
- 44a4c1ec-29b5-47be-abc8-7f23d369e432
Anne Broghammer O'Brien
Omaha
- Bar #
- e092e2ae-1ef3-4680-9be3-447c47a42b9f
Brittany Eden O'Brien
Springfield
- Bar #
- ffc45429-77e3-456f-b030-8261ba8df471
Chalegne Marie O'Brien
Saint Louis
- Bar #
- 67b71c39-e4af-4901-8345-1917b6f0dd6f
Claire Kaltenbach O'Brien
Saint Louis
- Bar #
- f09f7632-d0d5-485f-aa64-0069bb48f0cb
Colleen Marie O'Brien
Coon Rapids
- Bar #
- 342564b2-0f70-4cf8-a7b2-91d34139f0ca
Daniel Richard O'Brien
St. Louis
- Bar #
- e6cec4d9-e849-4adf-ae1e-c74400a564b1
Edward Patrick O'Brien
Ballwin
- Bar #
- 2f87e754-9ece-4325-b123-45201b9b474e
Elizabeth Curran O'Brien
Youngsville
- Bar #
- 2b523178-8a91-415a-a415-9285cd33c02c
James Vincent O'Brien
Brentwood
- Bar #
- 46c06f76-9b44-41b5-84d5-3f58bbd101c9
Jeffrey Michael O'Brien
Quncy
- Bar #
- 545e36ac-f13e-4191-ab37-f9b64089bdac
Jessie Louise O'Brien
Saint Louis
- Bar #
- 2025e505-e2a3-4a2d-be58-f42369559a5e
John Joseph O'Brien
Denver
- Bar #
- 244f7773-cf62-4d3f-913a-aec9761c0c6c
Kathleen Grace O'Brien
Jefferson City
- Bar #
- 6229b105-5909-474c-8959-04691302fcfe
Kevin P. O'Brien
Columbia
- Bar #
- 93e45352-63ad-4d3e-aa46-a4317304b5a2
Kyle Joseph O'Brien
Overland Park
- Bar #
- 6ea83234-1bee-4bbc-b738-b9111326e0b9
Mary Catherine O'Brien
New York
- Bar #
- ecfed89c-d09b-47c3-948d-3647a7a9da84
Matthew Howard O'Brien
Chicago
- Bar #
- a49e406d-63a1-44a1-9f7a-b4d6f7bd8c66
Michael Thomas O'Brien
Des Peres
- Bar #
- 2fecf5af-f256-442d-afc1-eb49f6287715
Patrick Steven O'Brien
St. Louis
- Bar #
- 17947397-8c5f-4dc2-83e4-9601697b5e63
Paul David O'Brien
Carthage
- Bar #
- c51b248c-079e-4f0b-9062-cfd6e8b9e1ef
Rhonda Alison O'Brien
St. Louis
- Bar #
- 6ab51c45-edef-4b20-95a1-a23b9b867a7a
Sean D. O'Brien
Kansas City
- Bar #
- f998b758-b4ef-4efe-a1b9-db72f8f54a63
Stephen M. O'Brien
Clayton
- Bar #
- d040f5b1-80e3-4a74-88c4-918c93620a57
Stephen Jerome O'Brien
St. Louis
- Bar #
- 1028b4b4-bde9-4e71-8bda-0a0e1bfb7fe4
Stuart L. O'Brien
Clayton
- Bar #
- 22b1bc79-c1f6-4b2d-ba71-bfab9effbca3
Therese Marie O'Brien
St Charles
- Bar #
- 9a8d1388-c573-428d-993e-fe97c4c64dec
Thomas C. O'Brien
Antioch
- Bar #
- 7e4c430f-c283-4d08-ae27-ccfba17cfaee
William O'Brien
Saint Louis
- Bar #
- 409f2b78-e7c8-451a-bb4b-35248b78bd72
Devan O'Bryan
Kansas City
- Bar #
- 56245dac-7a9d-46d8-bcde-957ab9bacb59
Sean Patrick O'Bryan
Kansas City
- Bar #
- 5d2a84e0-2002-4b33-bac0-9dabf1d2c495
Shannon Marie O'Bryan
Prairie Village
- Bar #
- 3a59148a-d681-4be6-b4a9-fd0cf2f285c5
John Grady O'Byrne
Leawood
- Bar #
- 0d0331e2-5a4d-4967-933f-0b7e27d19c51
Alicia Claire O'Connell
Lee'S Summit
- Bar #
- 78cb07cc-fad9-40cc-9d2b-69fdec81ce3a
Amy Colleen O'Connell
Malvern
- Bar #
- d2e69d4b-c435-4aa5-b5dc-6bc003db8b24
Caitlin Eagen O'Connell
Saint Louis
- Bar #
- c822fc20-0688-470a-a2e7-7a6526557706
Carolyn O'Connell
Kirkwood
- Bar #
- e7c2e575-ad3a-4014-82d4-55e43c18483d
Christopher Cory O'Connell
Clayton
- Bar #
- 5501dbfd-2b0b-4a4f-88a5-46a810ac54a3
David O'Connell
Saint Charles
- Bar #
- 0bffc9d4-5a31-4e27-9dc6-1bacbfefbfb4
Mary Anne O'Connell
St. Louis
- Bar #
- 6b2009ad-09e8-4f02-9768-00c29754efd5
Michael Richard O'Connell
St. Louis
- Bar #
- 554be71e-9b48-4f25-b9e2-93cc377306b3
Timothy Garrett O'Connell
Saint Louis
- Bar #
- 8404cde9-1de5-451f-86a1-d64f2ed186fc
Anna Gonis O'Connor
Lake Forest
- Bar #
- 39d2e098-ee46-4a4c-a0ff-e4ba4e0f26a5
Ashley Marie O'Connor
Prairie Village
- Bar #
- 217daa2d-e412-450b-919a-d9570415eef6
Brian Russell O'Connor
St. Louis
- Bar #
- cff201a6-cd6d-4131-a3bf-32a146661c7f
Christina Marie O'Connor
Cape Girardeau
- Bar #
- 4b9580d4-9e82-42ff-b500-db9e077d1b7c
Christopher Andrew O'Connor
Kansas City
- Bar #
- e07ded3b-77ff-40b4-b957-69221524e0af
Deborah F. O'Connor
Kansas City
- Bar #
- 7145fe81-bd34-44eb-a904-1ef174f3e341
Emily Claire O'Connor
Belleville
- Bar #
- 6c24c806-a681-44d2-971d-33972e59a4f4
Emily Lynn O'Connor
Kansas City
- Bar #
- b5d5a3b6-c230-48de-b4d8-ffec9fe6b500
Jeffrey Thomas O'Connor
St. Louis
- Bar #
- e0b16d9c-fe5f-4b6a-a507-0f75647a740f
John G. O'Connor
Kansas City
- Bar #
- 833554f7-0767-4b02-8a25-4a52638f3f08
John Patrick O'Connor
Kansas City
- Bar #
- ab26862b-27f0-476d-b95b-e7bdb045eb5a
Disciplinary actions
See Missouri attorney disciplinary actions (0 attorneys currently disbarred or suspended of record).
Frequently asked questions
How do I check if a lawyer is licensed in Missouri?
Search their name or bar number in the lookup above. It returns the official Supreme Court of Missouri / The Missouri Bar (unified/mandatory bar) record, including current license status and admission year. If no record comes back, the person may not be licensed in Missouri.
How many attorneys are registered in Missouri?
43,384 attorneys are registered with the Supreme Court of Missouri / The Missouri Bar (unified/mandatory bar), and 31,689 are on active status. Every record here shows the official license status and as-of date.
Is Missouri attorney discipline public?
Yes. License status, including disbarment and suspension of record, is public information published by the Supreme Court of Missouri / The Missouri Bar (unified/mandatory bar). 0 Missouri attorneys are currently disbarred or suspended of record.
What is a bar number?
A bar number is the unique ID the Supreme Court of Missouri / The Missouri Bar (unified/mandatory bar) 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 Missouri 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 Missouri / The Missouri Bar (unified/mandatory bar). Published active-attorney total (2024 enrollment).
- 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.