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Changing a custody order in Illinois

On Behalf of | Aug 20, 2025 | family law

Child custody orders in Illinois are meant to provide stability for children after a divorce or separation. However, circumstances can change, and sometimes an existing order no longer meets a child’s needs.

In these cases, parents may request a modification, but the reasons must be valid and supported by evidence. Here are some key points to keep in mind. 

Substantial change in circumstances

The courts require a substantial change in circumstances before modifying a custody order. This means that something significant must have occurred since the last order was issued. Examples include a parent relocating, a major shift in employment or a significant change in a child’s educational or medical needs. Minor disagreements between parents are not enough to justify a modification.

Concerns for a child’s safety or well-being

If a child’s physical, emotional or mental health is at risk, a court may decide to change the custody arrangement. Situations such as abuse, neglect or exposure to unsafe living conditions are considered serious reasons to seek a modification. Even if the change is temporary, the court will prioritize the child’s safety above all else.

A child’s wishes

In Illinois, a child’s preferences may be considered, depending on their age and maturity level. While the child’s wishes alone are not decisive, they can influence the court’s decision if supported by other evidence that a change would be in the child’s best interests.

Ultimately, any decision to modify custody is based on the best interests of the child. Courts will weigh all relevant factors, including the child’s adjustment to home, school and community, the relationship with each parent and the ability of each parent to provide a stable environment.

Custody modifications are not guaranteed, but they are possible when circumstances show that a different arrangement better supports a child’s well-being.

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