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Raising a Grandchild in Ontario: How to Get Legal Authority

Raising your grandchild in Ontario? Learn how to get legal authority to make decisions, enrol them in school, access healthcare, and protect their stability.

Family Law5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-06
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Key takeaways
  • Many grandparents begin caring for a grandchild on an informal basis — the parent drops the child off, things stabilize (or don't), and months pass.
  • The fastest and simplest route — if the parent is cooperative — is a written authorization.
  • A formal court order is the gold standard.

You stepped up when your grandchild needed you — maybe because a parent is struggling with addiction, mental illness, incarceration, or another crisis. You are now the person who takes this child to school, attends their appointments, and tucks them in at night. But without a court order or legal document in place, institutions may question your authority at every turn: schools may refuse to update your emergency contact status, hospitals may hesitate before sharing information, and passport offices will not issue travel documents without a legal guardian's signature.

This guide explains the practical steps grandparents in Ontario can take to get legal authority to raise a grandchild — and why that paperwork protects everyone, especially the child.

Why Informal Arrangements Are Not Enough

Many grandparents begin caring for a grandchild on an informal basis — the parent drops the child off, things stabilize (or don't), and months pass. In the short term this can work, but informal care has real risks:

Formalizing your role through a court order or agreement protects the child's stability and gives you the authority you need to function as a parent.

Option 1: A Written Authorization From the Parent

The fastest and simplest route — if the parent is cooperative — is a written authorization. Under Ontario's Children's Law Reform Act (CLRA), a parent can authorize another person (including a grandparent) to make decisions for the child during a period of absence.

This is not a court order. It does not transfer parental rights. But it can be useful for:

Limitation: A written authorization can be revoked by the parent at any time. It is not suitable for situations where the parent's involvement is harmful or unreliable.

Option 2: A Court Order Under the Children's Law Reform Act

A formal court order is the gold standard. It gives you legal standing that institutions recognize and that the parent cannot simply revoke.

What Type of Order Do You Need?

The right order depends on your situation:

What You NeedOrder to Seek
Authority to make day-to-day and major decisionsDecision-making responsibility
Regular scheduled time with the child (you are primary caregiver)Parenting time
Continued involvement alongside the parentContact order

For grandparents raising a grandchild, decision-making responsibility is usually the goal.

Applying for the Order

You file an application at the family court nearest to where the child lives. The application must include an affidavit explaining:

Both parents must be served with the application and given the opportunity to respond.

Temporary (Interim) Orders

If the matter is urgent — for example, the child needs medical care and no one has authority to consent — you can bring a motion for an urgent interim order without waiting for the full process to unfold. Courts take these situations seriously and can act quickly.

Option 3: Kinship Placement Through Children's Aid

If a Children's Aid Society (CAS) is already involved, they may place the child with you as a kinship caregiver. This is a formal placement arrangement where CAS maintains some oversight, but the child lives with you.

A kinship placement is not the same as having a court order yourself. CAS retains authority and can make decisions about the child's care. However, kinship placements can transition over time — if CAS applies to the court for a permanent order and you are the proposed caregiver, you may be named in the resulting order.

If a CAS placement is underway, ask about the path from temporary placement to a more permanent legal arrangement.

Option 4: Adoption

If the parents have consented (or their parental rights have been permanently terminated), adoption is an option that gives you all the rights and responsibilities of a legal parent — permanently. The child also acquires inheritance rights automatically.

Adoption through private arrangements involving grandparents requires court approval and legal assistance. It is a significant legal step that should not be undertaken without careful advice.

Practical Steps to Take Right Away

Even before a court order is in place, take these steps to protect the child in your care:

  1. Get a letter from the parent (if possible) stating that the child is in your care and authorizing you to make decisions. Have it notarized.
  2. Register the child at school under your address and request to be listed as the primary contact.
  3. Contact OHIP about transferring the child's health card to your address and ensuring they are covered.
  4. Document your caregiving — keep a journal, save receipts, photograph important moments. This evidence matters if you eventually go to court.
  5. Speak to a lawyer early — the earlier you get legal advice, the more options you will have.

Financial Support for Grandparents Raising Grandchildren

Ontario and the federal government offer some financial supports for grandparents in caregiving roles — including certain tax credits, child benefit payments, and kinship support allowances (in some circumstances). These programs change; verify current availability and eligibility with a tax professional, ServiceOntario, or a legal clinic.

Frequently asked questions

Can I apply for a court order even if the parents are alive and not in jail?

Yes. Parental survival or freedom does not bar a grandparent from applying. The court will consider the best interests of the child, including the quality of parenting being provided and the stability of your arrangement.

What happens if a parent shows up and wants the child back?

Without a court order, a parent can legally take back their child. This is why formalizing your role is so important — a court order gives you legal standing to resist removal and seek a hearing before any change happens.

Does my grandchild have to testify in court?

No. Courts do not put children on the witness stand in these proceedings. If the child's views are sought, a professional prepares a Voice of the Child report after speaking with the child privately.

Will having a court order affect my grandchild's relationship with their parents?

A court order for decision-making responsibility does not automatically terminate the parents' relationship with the child. In most cases, parents retain some form of parenting time or contact. The order defines your authority without erasing the parents from the child's life.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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