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An Overview of the Child’s Best Interests in Family Law

Published: May 24, 2023

Last Updated: June 19, 2026

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An Overview of the Child’s Best Interests in Family Law

We spoke with Gabrielle Pop-Lazic, a Toronto family lawyer with Gelman & Associates, on the subject of the child’s best interests in family law in Ontario.  Please note that this article is intended as an introductory overview, and not intended to be taken as legal advice. For legal advice regarding a child’s best interests with respect to decision-making responsibility and parenting time, we recommend booking a consultation with an Ontario family law lawyer.

What Are a Child’s Best Interests?

When parents separate, decisions must be made regarding their child(ren)’s care. From where they will live and go to school to matters of healthcare and religious upbringing, the ideal situation is one where the separating spouses can collaborate amicably on a parenting plan. 

Unfortunately, agreement is not always possible. In Ontario, two (2) pieces of legislation provide governance over decision-making responsibility and parenting time (formerly known as “custody and access”). The federal Divorce Act oversees decisions connected with a divorce, while the provincial Children’s Law Reform Act can address decision-making responsibility and parenting time when parents have not been married. 

The children’s best interests have always been the test for any parenting decision. However, what a parent decides to be in the child’s best interests may not necessarily align with a Judge’s opinion. Under the Divorce Act, the Court’s considerations when determining the child’s best interests may include:

  • Each parent’s ability or willingness to encourage the child to have a good relationship with the other parent
  • The children’s needs given their specific age and stage of development, as well as any particular individual circumstances
  • The need for stability in a child’s life
  • The nature and the strength of the child’s relationship with each parent;
  • The siblings, grandparents, extended families, etc.
  • The history – who has historically been the child’s primary caregiver?
  • The child’s views and preferences
  • And more

The Importance of Focusing on the Child’s Views and Preferences

The child’s views and preferences regarding a parenting plan are part of a Judge’s consideration in determining their best interests, but obvious consideration must be given to the child’s age and whether the child is mature enough to understand the implications. A court may give more or less weight to a child’s views and preferences depending on their age, their level of maturity, and similar factors.

Every child is different, of course, and individual needs will be considered. For children who may be on the autism spectrum, or have Aspergers, for example, change may be particularly difficult. Taking this factor into consideration may lead to a particular set of arrangements.

In a shared parenting schedule, where the child is more or less splitting their time evenly between both parents, the question may be – what is tolerable for the child, given their age and stage of development? With younger children, for example, it is preferred to have shorter but more frequent transitions between parents. As the children get older and are able to adapt to longer absences from each parent, the plan will likely change.

The Role of Family Violence in Decision-Making Responsibility and Parenting Time Determinations

Family violence will always be considered when making decisions regarding parenting plans. If the child is exposed to violence between the parents, this will certainly raise concern in the context of family law.

An incident of violence does not necessarily mean that a parent will not be permitted to have parenting time, nor that they will be required to have supervised parenting time. There has to be a consideration as to the nature, seriousness, and frequency of the violence. This may include whether the violence was against the other parent or against the child, whether it was witnessed by the child, as well as whether the outcome of the violence resulted in or put the child at risk of physical, emotional, or psychological harm.

In the expanded definition of family violence, we are not only looking at behaviours that might lead to criminal charges. The Divorce Act recognizes that acts of coercion, financial control, and more may also constitute a form of family violence.

The Impact of Shared Parenting Arrangements on Child Development and Well-Being

Separation is not necessarily negative for children. Seeing their parents model constructive communication in a shared parenting arrangement can be a powerful lesson, as can the opportunity to practice independence and resilience early on. While there is discussion as to the merits of shared parenting arrangements in providing that model of collaborative guardianship, the fact remains that shared parenting is not always possible. 

A shared parenting arrangement may not be the best choice if the parents are unable to communicate or if a parent is not able to realistically spend their allocated parenting time with the child. Another issue is one of proximity – in order for a shared parenting schedule to work for the child, the parents have to live within close proximity to one another. The child may thereby stay close to their community, their friends, school, activities, and so on, regardless of whose home they inhabit. When one parent lives long-distance or has relocated, shared parenting may not be in the best interests of the child.

If you have any other questions concerning the child’s best interests in connection with decision-making responsibility and parenting time in Ontario, or would like to discuss the particulars of your specific case, contact us to schedule a consultation with Gelman & Associates today.

Written by Lisa Gelman

Senior Lawyer

Senior Lawyer Lisa Gelman has over 25 years of family law experience and founded Gelman & Associates to provide strategic legal counsel in family law matters concerning divorce, parenting, separation, and more.

Frequently Asked Questions - child custody & access

Ontario law does not specify the age at which a child can decide which parent to live with. At most, the Court may consider the preference of the child but that does not necessarily mean that the Court will act favorably on it. The court will consider the child’s maturity, ability to articulate their desires, and the reasoning behind their views when seeking their opinion.

If a parenting plan is included in your court order under the Divorce Act, the document will be legally binding.

In order to change your child’s last name, you will have to be the child’s parent with legal custody or be the legal guardian of the child. In order to change the child’s last name, you will have to provide notice to anyone who has legal access to the child, and that may include your ex-spouse.

In most cases, the answer is no. However, there can be some exceptions that the mother can build a case upon. These include the father putting the child at risk, non-compliance with the court order, or a history of violence by the father.

Creating a custody plan with a narcissistic ex-partner is a task best left to legal professionals. While there might not be one way to deal with a narcissistic ex, there are things that you can do to turn the tables on a narcissistic co-parent. The best way to prevent problems is to go with no contact or limited contact with your ex-partner and put everything in writing if you must only communicate via email or text message to record statements and harassment.

Let us consider that the “moving away” is relocation and not just a change in residency.

Then, let us qualify that the mother will take your child with her.

If the mother is the primary caregiver of the child, you may oppose the relocation by applying the principles laid down under the Gordon vs. Goertz case. You must present your case strongly as to why potentially cutting your child’s relationship as the primary caregiver is to your child’s best interest. This situation falls under the purview of Section 16.93(2) of the Divorce Act.

If both you and the mother have equal parenting time over your child, the mother of the child has the burden of proof as to why the relocation is for the best interest of your child. This situation falls under the purview of Section 16.93(1) of the Divorce Act.

If there is no Court ordered, approved, or awarded parenting time or separation agreement, as contemplated under Section 16.93(3) of the Divorce Act, the mother has the burden of proof to show that relocation is in the best interest of your child.

Note that even if the burden of proof is not laid upon you, it still recommended that you present a strong opposition to the relocation.

Yes, it is possible for your ex to prevent you from relocating with a child you share, although this will likely plan on your parenting arrangements and decision-making responsibility. If you cannot agree about a relocation, a court will decide based on the child’s best interests.

Generally, you need to provide your ex with 60 days’ written notice of your relocation plan, and you must obtain consent or a court order to move the child. A lawyer can help you navigate this process. Our divorce lawyers will guide you through the application and court order process.

Yes, but they will need to establish paternity, especially if the father and the mother separate. Here are the ways to establish paternity as recognized by the court:

  • Act of birth
  • Presumption of paternity
  • Uninterrupted possession of status
  • Voluntary declaration

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