What the appointment does and doesn't do
Section 61 of the Children's Law Reform Act lets a parent with decision-making responsibility for a child appoint, by will, one or more people to take on that responsibility after both parents have died. It only takes effect if the appointor is the only person with that responsibility at the time, or if both parents die together or in circumstances that make it uncertain who survived.
It does not override a surviving parent. If the other parent is alive and has decision-making responsibility, your will's appointment has no effect while they do.
Why the appointment expires in 90 days
The appointment lasts ninety days after it becomes effective, or until an application the appointee brings within that window is decided. The limit means a court reviews any long-term arrangement rather than leaving a child's care permanently to a document no one has looked at since it was signed.
In practice, the person you name needs to apply promptly, within the ninety days, for a court order confirming decision-making responsibility if the arrangement is to continue past that point.
Choosing a guardian
- Someone who already knows your children and shares your basic approach to raising them
- Willing and realistically able to take on the role, including financially
- Named with the other parent's agreement where possible, to avoid a dispute after you're both gone
- Backed up with an alternate, in case your first choice cannot act
Discuss the appointment with the person before naming them. Consent isn't a formal requirement for the will provision itself, but a guardian who didn't expect the role is far less likely to apply to court promptly.
We draft the appointment clause and can explain the ninety-day court step to the person you name.
Guardianship of the child versus guardianship of property
Section 61 also lets a guardian of a child's property name a successor guardian of that property, separately from who raises the child day to day. The two roles can go to different people: one managing the day-to-day home, another managing money left to the child, reporting to the court as property guardians are required to do.
If a child inherits directly, rather than through a trust in the will, court oversight of that money generally follows, whoever is named.
A trust is usually the better tool for money
Leaving money outright to a minor generally means it is held under formal guardianship, or by the court, until they turn eighteen, with limited flexibility along the way. A testamentary trust in the will, with a trustee you choose and an age or ages you set for payouts, usually serves a child's interests better than an outright gift or default guardianship of property.
This is a drafting choice made when the will itself is prepared, not something the guardian appointment alone can fix.
Your steps
Who's involved
Named in the will to take on decision-making responsibility for your children if both parents have died.
Steps in if the first choice cannot or will not act.
Confirms or varies the guardian appointment on an application brought within ninety days.
Drafts the appointment clause and any trust for a child's inheritance.
Documents you will need
Tools for this stage
Answer five questions about your family, home, business and beliefs, and get a document-and-decision list sorted to what actually applies to you. It is a starting point, not a complete list for every family.
Checklist builderWhat should I bring to a will-drafting meeting?Five questions about the meeting itself and what else you're preparing, so nothing gets left at home on the day. It only covers what to bring; your lawyer will ask about the rest at the meeting.
Guides to download
Questions people ask
Does naming a guardian in my will settle the matter permanently?
No. It lasts ninety days after it takes effect, and the person named must apply to court within that time for the arrangement to continue.
Can I name a guardian if my child's other parent is still alive?
You can name one, but it has no effect while the other parent is alive and has decision-making responsibility for the child, since the appointment only applies after both parents are gone.
What if I don't name a guardian at all?
A court decides who takes on the role, usually on an application from a relative, considering the child's best interests without the benefit of your own preference on record.
Can I leave money directly to a minor child instead of in trust?
You can, but it usually means the money is held under formal guardianship or by the court until they turn eighteen. A trust in the will generally gives more control over how and when it's paid out.
Can grandparents apply to be guardians even if my will names someone else?
Yes. Anyone can apply to the court, and a court appointment can differ from what a will proposes if it decides that better serves the child.
Also in this centre
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Related centres
Other Learning Centres for the same transaction.
Sources
General information about Ontario law as of 5 September 2026, not legal advice. It does not create a lawyer–client relationship.
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