Mary K. O'Brien at a glance
- Current role
- Justice
- Court
- Supreme Court of Illinois
- Jurisdiction
- Illinois · State
- Judicial service
- Active
Mary K. O'Brien
Justice · Supreme Court of Illinois
Available research
Biography
Education
- Western Illinois University and received her Juris Doctorate from the University of Illinois
Courtroom rules and guidance
Recording And Broadcasting
Photography, broadcasting, and recording in an Illinois courtroom are permitted only under Supreme Court authority or Rule 44's stated exceptions; participants may not record a remote proceeding unless the court directs it or extended-media coverage is approved.
the taking of photographs in the courtroom during sessions of the court or recesses between proceedings and the broadcasting or televising of court proceedings are permitted only to the extent authorized by order of the Supreme CourtIllinois Supreme Court Rule 44, Photography and Video in the Courtroom ↗
Official Record
The official record may be taken stenographically or through a Supreme Court-approved electronic recording system, including approved videoconferencing services.
The record of court proceedings may be taken by stenographic means or by an electronic recording system, including video conferencing services, approved by the Supreme Court.Illinois Supreme Court Rule 46, Official Record of Court Proceedings ↗
Sources
Illinois Courts official judicial roster
Identity source · HTML · checked August 22, 2026
https://www.illinoiscourts.gov/courts/supreme-court/meet-the-justices/Illinois Supreme Court Rule 44, Photography and Video in the Courtroom
Judge research source · PDF · checked July 26, 2026
https://ilcourtsaudio.blob.core.windows.net/antilles-resources/resources/8db700cb-c17a-421d-8fdc-95ad22b399c9/Rule%2044.pdfIllinois Supreme Court Rule 46, Official Record of Court Proceedings
Judge research source · PDF · checked July 26, 2026
https://ilcourtsaudio.blob.core.windows.net/antilles-resources/resources/24ad75b6-a0a0-4a9f-b44e-1cf4daa67820/Rule%2046.pdf