Margaret "Peggy" O'Connell
Democratic · Illinois · 2026Running for Judge of the Appellate Court, 3rd Judicial District (vacancy of Hon. Mary W. McDade) and 2 more races, Illinois
Biography
Margaret O'Connell has served as a DuPage County Circuit Judge since 2020, currently presiding over the felony division, after working as a DuPage County Assistant State's Attorney, Assistant Attorney General and in private practice, per Illinois State Bar Association judicial evaluations.
On the ballot
Judge of the Appellate Court, 3rd Judicial District (vacancy of Hon. Mary W. McDade)Illinois · 2026Kankakee County sample ballotJudge of the Appellate Court, Third Judicial DistrictIllinois · 2026Will County sample ballotJudge of the Appellate Court, Third Judicial District (vacancy of the Hon. Mary W. McDade)Illinois · 2026Dupage County sample ballotSee your full ballot
Voting info and more
Voting info and more
How we source this
Profile facts follow official election office filings and the sources cited in each biography. Roster last verified October 19, 2026. Official sources are the final word on who appears on your ballot.
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