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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Family Law & Divorce Ontario » Child Custody & Support Ontario » Determining Habitual Residence When a Child Splits Time Between Ontario and the USA

Determining Habitual Residence When a Child Splits Time Between Ontario and the USA

29 Jun 2026 5 min read No comments Child Custody & Support Ontario
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When a child lives between Ontario and the USA, the court must determine the child’s “habitual residence” under the Children’s Law Reform Act or the Hague Convention. This strict legal test decides whether an Ontario judge or an American judge has the proper jurisdiction to make orders regarding Parenting Time.

Cross-border families living between Ontario and the United States face unique and highly stressful legal challenges when a relationship breaks down. 🌎 If a family frequently travels between Windsor and Detroit, or Toronto and New York, deciding exactly where the divorce and parenting dispute should be heard is the critical first hurdle. Before a judge can decide who gets decision-making responsibility, they must first decide if they even have the legal authority to hear the case.

This jurisdictional battle is determined by establishing the child’s “habitual residence.” In Ontario, under Section 22 of the Children’s Law Reform Act (CLRA), a child is generally considered habitually resident in the place where they last lived with both parents. However, when a child splits their time equally between two countries, or if one parent crosses the border with the child without permission, the legal lines become heavily blurred.

Winning the jurisdictional argument is crucial because family laws vary wildly between Ontario and American states. 📋 Below is a detailed, step-by-step guide explaining how courts determine habitual residence and handle cross-border parenting disputes. Generally, parents navigating international boundaries must retain a specialized family law firm to avoid losing their case before it even begins.

Step-by-Step Process to Establish Jurisdiction in Ontario

Determining habitual residence is not about where the parents want to live; it is entirely focused on the ordinary, day-to-day reality of the child’s life. Here is how the Ontario Superior Court of Justice evaluates the situation.

Step 1: Identify the “Ordinary” Routine

The court will look at where the child’s life is actually rooted. 🔍 Even if the child holds a US passport and an Ontario health card, the judge wants to know: Where is the child enrolled in school? Where is their primary pediatrician? Where do they participate in extracurricular activities like hockey or soccer? The jurisdiction where the child has the deepest community ties usually wins the habitual residence test.

Step 2: Examine the Parents’ Settled Intentions

If the child is an infant and does not have community ties yet, the court looks at the “settled intention” of the parents. Did you sign a one-year lease in Mississauga, or did you buy a permanent family home in Buffalo? The court will review text messages, emails, and employment contracts to determine if the move to one country was meant to be a permanent relocation or just a temporary visit.

Step 3: File an Urgent Motion (If Abduction is Suspected)

If your ex-partner takes the child across the border to the USA without your written consent and refuses to return, this is considered international child abduction. 🚨 You must immediately file an urgent motion in Ontario. Your lawyer will argue that the child’s habitual residence remains in Ontario, and the American court has no right to assume jurisdiction just because the child is currently physically present there.

Step 4: Invoke the Hague Convention

Both Canada and the United States are signatories to the Hague Convention on the Civil Aspects of International Child Abduction. If your child was wrongfully removed to the USA, your Ontario lawyer will work with the Central Authority to invoke the Hague Convention. The American judge is legally required to order the child’s immediate return to Ontario so that the Ontario courts can properly decide the parenting dispute.

Step 5: Argue Forum Non Conveniens

Sometimes, both Ontario and a US state technically have grounds to claim jurisdiction. In these rare cases, your lawyer will argue Forum Non Conveniens-meaning Ontario is the “most appropriate forum.” If all the child’s teachers, doctors, and extended family witnesses are located in Toronto, it is practically and financially absurd to hold the trial in Florida, even if the ex-partner filed their paperwork there first.

How Much Does Cross-Border Litigation Cost?

International family law is highly complex and significantly more expensive than a standard local divorce. 💵

  • Jurisdictional Motions: Having an Ontario law firm research and argue a complex jurisdictional motion typically costs between $5,000 CAD and $15,000 CAD.
  • Dual Representation: If your ex files in the USA, you will likely need to retain an American attorney to halt the proceedings there, which requires paying legal retainers in both CAD and USD.
  • Hague Convention Proceedings: Fighting a Hague application for the return of a child can quickly exceed $20,000 CAD to $50,000 CAD depending on the state’s legal fees and travel costs.

How Long Does the Process Take?

Jurisdictional disputes must be resolved before any actual decisions about the child’s future can be made. ⏱️

Stage of Cross-Border DisputeEstimated Timeline
Filing the Jurisdictional Motion2 to 6 weeks to get a court date
Hague Convention Return OrderExpedited, usually 6 to 12 weeks
Finalizing Habitual Residence3 to 6 months before the real trial begins

Frequently Asked Questions (FAQ)

Does the child’s citizenship determine habitual residence?

No. A child can be a dual citizen of Canada and the USA, or solely an American citizen, but still be considered habitually resident in Ontario if that is where their day-to-day life and schooling are established.

Can I move to the USA with my child if I have sole decision-making responsibility?

Generally, no. Even if you have sole decision-making responsibility, moving the child out of Ontario (mobility or relocation) usually requires the written consent of the other parent or a formal court order, as it severely impacts the other parent’s Parenting Time.

What happens if there are two competing court orders?

If an Ontario judge and an American judge both issue orders regarding the child, it creates a severe legal conflict. Usually, the courts will communicate with each other through a judicial protocol to determine which jurisdiction should properly take the lead.

How long does it take to establish habitual residence in a new place?

There is no strict timeframe, but under the CLRA, if a child moves to a new jurisdiction with the consent of both parents or a court order, they generally establish a new habitual residence once they become settled into a routine, often after a few months.

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