Erin O'Brien
Republican · IL
Erin O'Brien is a Joliet attorney who opened her own law firm in 2008, has conducted over 700 mediations, and is a past president of the Will County Bar Association. Her priorities are keeping politics out of the courtroom, a more efficient court system, and holding criminals accountable.
Track record
Track record — General
General · 1 record
As president of the Will County Bar Association, hosted its annual gala, which gave community service awards and raised money for the Daybreak Center homeless shelter.
December 5, 2019
Source: shawlocal.com
Track record — Legal Competence
Legal Competence · 1 favorable
Was rated Recommended for the 5th Subcircuit (Petrungaro vacancy) seat in the 2026 Illinois State Bar Association and Will County Bar Association lawyer poll. Of 133 responding lawyers, about 87 percent said she meets the requirements for the office.
October 8, 2026Favorable on Legal Competence
Source: isba.org
Past race Erin O'Brien ran in:
- Judge of the Circuit Court, 12th Judicial Circuit, 5th Subcircuit (To fill the vacancy of the Hon. Barbara N. Petrungaro) · November 3, 2026 · Will County, Illinois