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Eileen Marie O'Connor

Circuit Court Judge, Cook County

AI wrote this from the sources listed below. A second AI checked each sentence against its source, and software checked the links and dates. A person didn’t review it, so every sentence links to its source for you to check. Updated Wednesday, October 7, 2026.

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Overview

Elected to the Circuit Court of Cook County in 2020, Judge Eileen Marie O’Connor serves in the Law Division's Trial Section.1 Before taking the bench, she was a partner at O’Connor Law Group, litigating personal injury and medical malpractice cases.1 Her past assignments include First Municipal Division civil trials and a motions call.2 She authored a 2024 Illinois Bar Journal article on admitting medical expenses at trial.3

Campaign money

Not found in public sources as of Wednesday, October 7, 2026.

Endorsements and bar evaluations

  • Chicago Federation of Labor4Union

Yes means the group recommends keeping the judge in office.

  • Chicago Bar Association: “Qualified”5
  • Chicago Council of Lawyers: “Qualified”6
  • Illinois State Bar Association: “Yes”2
  • Alliance of Bar Associations for Judicial Screening: All 11 other member groups that rated this judge said “Yes”.7 Each group’s rating (PDF)

Sources

  1. Eileen Marie O'Connor - Committee for Retention of Judges, Committee for Retention of Judges. Viewed Wednesday, October 7, 2026.
  2. Cook County Judicial Evaluations - Illinois State Bar Association, Illinois State Bar Association. Viewed Wednesday, October 7, 2026.
  3. Admitting Medical Expenses at Trial, Illinois State Bar Association. Viewed Wednesday, October 7, 2026.
  4. NOVEMBER 3, 2026 GENERAL ELECTION ENDORSED CANDIDATES, Chicago Federation of Labor. Viewed Wednesday, October 7, 2026.
  5. Vote Smart: CBA Judicial Voter's Guide, General Election, November 3, 2026, Chicago Bar Association. Viewed Tuesday, October 6, 2026.
  6. Evaluation Report: Judges on the Ballot in the November 3, 2026 General Election, Chicago Council of Lawyers. Viewed Tuesday, October 6, 2026.
  7. Alliance of Bar Associations for Judicial Screening, 2026 General Election ratings, Alliance of Bar Associations for Judicial Screening. Viewed Tuesday, October 6, 2026.