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ATJ 105.3

Petition for Divorce with Children

Illinois · Illinois Supreme Court · Effective March 1, 2025

This form is a request to the judge to legally end a marriage and includes information about any children involved. It asks for details about the people involved, the marriage, and the children's living situations.

Open the official PDFfrom Illinois Supreme Court

Where this fits in a case

Start a case

Stage: Start a case

This form is used when a person wishes to start a case asking the court to grant a divorce that involves children.

Usually filed by the person starting the case.

Official instructions

How-to guides published by the court for this form.

Common questions

Who should fill out this form?
The Petitioner, which is the person starting the case, fills out this form. The Petitioner is asking the judge to divorce them from the Respondent.
Are there fees to file this form?
There are fees to file court forms like this one, but the form notes that the filer may qualify to file for free.
What information is needed about the children?
The form asks for details about children, including their names, ages, if they have a disability, and if they are in school.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect March 1, 2025.

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