Name Change in Illinois

What This Means for Your Name Change Filing in Illinois

Filing for name change in Illinois costs $200–$325 at the courthouse — the first financial barrier most self-represented filers face. Circuit Court filing fee. Publication in local newspaper required. Beyond the filing fee, a mandatory waiting period of 30 days applies before the court can finalize the matter, and the typical case timeline is 2-4 months. Because Illinois courts operate at the state and county level, local surcharges, service-of-process fees, and motion filing fees can add meaningfully to the out-of-pocket total. Every person whose household income falls below roughly 125–200% of the federal poverty line can apply for a fee waiver (sometimes called "in forma pauperis") with the court clerk.

Procedurally, Illinois lays out 7 distinct steps, and the clerk typically requires 5 core document categories to open your case. Residency rules matter: 6 months in Illinois. Grounds or legal theory must be stated clearly in the initial petition — Personal choice; court checks for fraud, avoiding debts, or criminal intent. Missing a required element, filing in the wrong venue, or failing to perfect service within the statute-of-limitations window can cause dismissal without prejudice, forcing you to refile and pay the fee again.

This is public court-fee and procedural data, not legal advice. Outcomes in name change cases depend heavily on facts, evidence, documentation, and the judge assigned. If your matter is contested, involves minor children, real property, significant debts, domestic violence, or immigration consequences, consult a licensed Illinois attorney or contact your state legal-aid office before filing. Data on this page was last verified 2026-03 against Illinois court sources; always confirm the current fee schedule with the clerk before paying.