License & bar number lookup
Montana Attorney License Lookup
Search 6,907 attorneys registered with the State Bar of Montana (mandatory bar) by name or bar number. Every record shows the official license status and as-of date.
How to verify a Montana attorney
- Search the attorney by name or bar number in the search box above — it pulls the official State Bar of Montana (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.
Montana attorneys — last name “O”
Active Montana attorneys with last names starting “O.” Use the search box above for an exact name or bar number.
Torger Oaas
Lewistown, MT
- Bar #
- MT-39bdf826254d8d95
- Admitted
- 1976 · 50 yrs
Randall S. Ogle
Kalispell, MT
- Bar #
- MT-2872b49a9f9c2ffd
- Admitted
- 1976 · 50 yrs
Kenneth R. Olson
Great Falls, MT
- Bar #
- MT-8414dcf0e3a625e2
- Admitted
- 1974 · 52 yrs
Douglas Brian Olson
Minneapolis, MN
- Bar #
- MT-e5b67d88062fcdf3
- Admitted
- 1977 · 49 yrs
Frank D Oloughlin
Merana, AZ
- Bar #
- MT-7aab38b5e55f8558
- Admitted
- 1979 · 47 yrs
James P. O'Brien
Missoula, MT
- Bar #
- MT-f2dc80189a3eb7b1
- Admitted
- 1981 · 45 yrs
Teresa McCann O'Connor
Billings, MT
- Bar #
- MT-6f74720e7526a9ec
- Admitted
- 1981 · 45 yrs
William J. O'Connor
Billings, MT
- Bar #
- MT-dca8db177d851422
- Admitted
- 1981 · 45 yrs
Loren J. O'Toole
Plentywood, MT
- Bar #
- MT-b47ace26f1a9729a
- Admitted
- 1981 · 45 yrs
Matthew H. O'Neill
Polson, MT
- Bar #
- MT-92680a5cdc07b61e
- Admitted
- 1982 · 44 yrs
Kelly O'Sullivan
Helena, MT
- Bar #
- MT-ea7d5570df11fbfe
- Admitted
- 1987 · 39 yrs
David Lee Ohler
Helena, MT
- Bar #
- MT-ea5462e059ace5e8
- Admitted
- 1990 · 36 yrs
Andrea J. Olsen
Missoula, MT
- Bar #
- MT-b207247e05a77556
- Admitted
- 1991 · 35 yrs
Kristin L. Omvig
Kalispell, MT
- Bar #
- MT-678f8baaf8cd6e79
- Admitted
- 1992 · 34 yrs
Dan O'Brien
Malta, MT
- Bar #
- MT-22d5c8821cfdffa5
- Admitted
- 1993 · 33 yrs
Sharon A. O'Leary
Townsend, MT
- Bar #
- MT-d024bcdd04c0ef6b
- Admitted
- 1993 · 33 yrs
Lonnie J. Olson
Clancy, MT
- Bar #
- MT-ffd2049383980e5e
- Admitted
- 1993 · 33 yrs
Elizabeth O'Halloran
Missoula, MT
- Bar #
- MT-0d88cb3882b0aee7
- Admitted
- 1994 · 32 yrs
Stephanie A. Oblander
Great Falls, MT
- Bar #
- MT-14b210e5f6cee4df
- Admitted
- 1996 · 30 yrs
Paul D. Odegaard
Billings, MT
- Bar #
- MT-8658636e8061dc40
- Admitted
- 1998 · 28 yrs
Cory J. O'Neill
New York, NY
- Bar #
- MT-70c1bce7b0aa97ac
- Admitted
- 2002 · 24 yrs
Jeffry L. Olson
Great Falls, MT
- Bar #
- MT-6b5699780e400a07
- Admitted
- 2002 · 24 yrs
Margot Barg Ogburn
Bozeman, MT
- Bar #
- MT-752017c9882f0895
- Admitted
- 2006 · 20 yrs
Christopher K. Oliveira
Helena, MT
- Bar #
- MT-b66b0deec3dd41b3
- Admitted
- 2006 · 20 yrs
David Ole Olson
Helena, MT
- Bar #
- MT-45ba3b9a70524a81
- Admitted
- 2006 · 20 yrs
Adam Michael Olschlager
Denver, CO
- Bar #
- MT-5739c43475304d90
- Admitted
- 2007 · 19 yrs
Hilary Joan Oitzinger
Butte, MT
- Bar #
- MT-7e039d77ea626b29
- Admitted
- 2008 · 18 yrs
Joni Oja
Stanford, MT
- Bar #
- MT-72ba67899e2f568e
- Admitted
- 2008 · 18 yrs
Kelly R. McMahon O'Brien
Kalispell, MT
- Bar #
- MT-0bd4e54c3d2b7e16
- Admitted
- 2010 · 16 yrs
Taylor D. Olson
Williston, ND
- Bar #
- MT-0a466104425023a0
- Admitted
- 2012 · 14 yrs
Michael Hawkins O'Brien
Missoula, MT
- Bar #
- MT-7ed6c8a5365b6425
- Admitted
- 2013 · 13 yrs
Iryna O'Connor
Helena, MT
- Bar #
- MT-60f2a08d599cb9af
- Admitted
- 2013 · 13 yrs
Quinlan L. O'Connor
Helena, MT
- Bar #
- MT-df1d132df3e1af3a
- Admitted
- 2013 · 13 yrs
Derek Joseph Oestreicher
Laurel, MT
- Bar #
- MT-3ddc65d4dc69b263
- Admitted
- 2013 · 13 yrs
Joshua Paul Oie
Minneapolis, MN
- Bar #
- MT-3d6422ff2d559c00
- Admitted
- 2014 · 12 yrs
Brendan Francis O'Connor
Seattle, WA
- Bar #
- MT-7f08586db05d4ccd
- Admitted
- 2015 · 11 yrs
Moses Ouma Okeyo
Seattle, WA
- Bar #
- MT-c59ba70fb03b8ae6
- Admitted
- 2015 · 11 yrs
Marisa L O'Sullivan
Helena, MT
- Bar #
- MT-12bf98ffbf1a6748
- Admitted
- 2017 · 9 yrs
Wayne E. Olson
Kalispell, MT
- Bar #
- MT-f1e32106ac9db698
- Admitted
- 2018 · 8 yrs
Devin O'Donnell
Whitefish, MT
- Bar #
- MT-8a94fb6a9d014f11
- Admitted
- 2020 · 6 yrs
Daniel Arthur Olinger
Joliet, MT
- Bar #
- MT-cf739b990456089c
- Admitted
- 2020 · 6 yrs
Heather Nichole Olson
Helena, MT
- Bar #
- MT-3049ba51593f8a25
- Admitted
- 2020 · 6 yrs
Logan Paul Olson
Scobey, MT
- Bar #
- MT-4392495ae1aae56d
- Admitted
- 2020 · 6 yrs
Edward J. O'Donnell
Miami, FL
- Bar #
- MT-75c5bf5b4757395e
- Admitted
- 2021 · 5 yrs
Emily Obermiller
Missoula, MT
- Bar #
- MT-9d951d138759a39f
- Admitted
- 2021 · 5 yrs
Justin Oliveira
Billings, MT
- Bar #
- MT-008c75cbfa3b30bb
- Admitted
- 2021 · 5 yrs
Lukas D. O'Dowd
Coeur D'Alene, ID
- Bar #
- MT-9d4ea72cf0ebb3f6
- Admitted
- 2022 · 4 yrs
Henry O'Brien
Missoula, MT
- Bar #
- MT-27439e82bd1afc0f
- Admitted
- 2023 · 3 yrs
Mark J O'Brien
Tampa, FL
- Bar #
- MT-79a6157f5cf27a38
- Admitted
- 2023 · 3 yrs
Lauren Mackenzie O'Neill
Libby, MT
- Bar #
- MT-5dfce45f1caa6610
- Admitted
- 2023 · 3 yrs
Clare N. Ols
Bozeman, MT
- Bar #
- MT-d74f8725a90c9a17
- Admitted
- 2023 · 3 yrs
James R. Olsen
Great Falls, MT
- Bar #
- MT-e93973e026f3e683
- Admitted
- 2023 · 3 yrs
Sandi Marie O'Brien
Glendive, MT
- Bar #
- MT-de98ec0cee9ce5e5
- Admitted
- 2024 · 2 yrs
Holly Christine O'Dell
Helena, MT
- Bar #
- MT-3a5b818ede6699d9
- Admitted
- 2024 · 2 yrs
Dania Eileen Oelkers
Conrad, MT
- Bar #
- MT-64fa95cf67814f04
- Admitted
- 2024 · 2 yrs
Hailey Marie Oestreicher
East Helena, MT
- Bar #
- MT-a864d633ee4d1ae7
- Admitted
- 2024 · 2 yrs
Leann Jaci Omo
Billings, MT
- Bar #
- MT-2656b1890c5bf828
- Admitted
- 2024 · 2 yrs
Remington J. Christopher O'Conlough
Polson, MT
- Bar #
- MT-2e52abacca6c7838
- Admitted
- 2025 · 1 yr
John Ernest Olchefske
Golden Valley, MN
- Bar #
- MT-39791409b0927b5c
- Admitted
- 2025 · 1 yr
Samuel J. Olson
Plymouth, MN
- Bar #
- MT-28e1af0473b14665
- Admitted
- 2026 · 0 yrs
Disciplinary actions
See Montana attorney disciplinary actions (919 attorneys currently disbarred or suspended of record).
Frequently asked questions
How do I check if a lawyer is licensed in Montana?
Search their name or bar number in the lookup above. It returns the official State Bar of Montana (mandatory bar) record, including current license status and admission year. If no record comes back, the person may not be licensed in Montana.
How many attorneys are registered in Montana?
6,907 attorneys are registered with the State Bar of Montana (mandatory bar), and 4,732 are on active status. Every record here shows the official license status and as-of date.
Is Montana attorney discipline public?
Yes. License status, including disbarment and suspension of record, is public information published by the State Bar of Montana (mandatory bar). 919 Montana attorneys are currently disbarred or suspended of record.
What is a bar number?
A bar number is the unique ID the State Bar of Montana (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 Montana attorney's license and disciplinary standing on this site is free and requires no account.
Data sources & last updated
- Licensing roster & status: State Bar of Montana (mandatory bar). Public licensing roster.
- 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.