Justice Mary Jane Theis

  • Born:
    1949 in Chicago, IL
  • Education:

    Loyola University, University of San Francisco Law School
  • Illinois Supreme Court Justice:
    2010-2026
  • Illinois Supreme Court Chief Justice:
    2022-2025
  • Succeeded:
    Thomas R. Fitzgerald
  • Succeeded by:
    Sanjay Tailor
  • Represented:
    1st District (2010-2026)
  • Political Party
    Democrat
  • Other Political Offices:

    Associate Judge (1983-1988), Circuit Court Judge (1988-1993), Appellate Court Judge (1993-2010)

    Mary Jane Theis Interview
  • Notes:
    Portrait courtesy of the Illinois Supreme Court

Succession of Illinois Supreme Court Justices (PDF)

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