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What happens if someone dies without a will in Ontario?

The Succession Law Reform Act decides who inherits, generally a spouse and children in a set order, and who has priority to apply to be estate trustee. The process still runs through probate; it just applies without a will's instructions or a named executor.

Who inherits without a will

Part II of the Succession Law Reform Act sets a fixed order. A married spouse receives a preferential share of a set amount, then shares the remainder with children in proportions the Act sets depending on how many there are. Where there is no spouse, children inherit equally; where there are no children, the Act moves to parents, then siblings, then more distant relatives in a defined sequence. A common-law partner has no automatic entitlement under this Part, whatever the length of the relationship.

Who has priority to apply to administer the estate

The Act also sets who has priority to apply for a Certificate of Appointment of Estate Trustee Without a Will, generally the spouse first, then next of kin in the same order used for inheritance. More than one person with equal priority can apply jointly, or one can be asked to consent to another applying instead.

We can help you apply for the Certificate of Appointment of Estate Trustee Without a Will and gather the consents priority requires.

What a will would otherwise have controlled

A will typically does more than distribute money: it names an executor the family already knows and trusts, appoints a guardian for minor children, sets out specific gifts and can reduce probate through planning like multiple wills. None of that exists without one. Property goes exactly where the Act says, guardianship of children is decided separately if it is contested, and there is no flexibility for a stepchild, a friend, or a charity the deceased might have wanted to include.

Common misunderstandings

A common-law spouse, however long the relationship, is not automatically an heir under Part II, though they may have other claims, a dependant's support application, or a property claim based on their contribution to a jointly used asset. Stepchildren who were never legally adopted are also not automatic heirs, whatever their relationship with the deceased.

Your steps

Confirm no will existsA genuine search, including the Estate Registrar for Ontario and any law firm the deceased may have used.
Work out who inherits under the ActSpouse, children, then more distant relatives, in the order Part II of the Succession Law Reform Act sets.
Determine who has priority to applyUsually the surviving spouse, then next of kin in the same order as inheritance.
Apply for a Certificate of Appointment of Estate Trustee Without a WillThe application and the tax work the same way as with a will, just without one to name an executor.
Flag anyone the Act leaves outA common-law partner or stepchild may have other claims worth raising with a lawyer.

Who's involved

Surviving spouse

Has priority to apply and receives a preferential share plus part of the remainder under Part II.

Next of kin

Inherit and may apply to administer the estate, in the order Part II of the Act sets, if there is no spouse.

Your lawyer

Confirms the order of priority and inheritance and prepares the application for a trustee without a will.

Documents you will need

Death certificateProof of relationship: marriage certificate, birth certificatesResults of the will searchEstate inventory

Questions people ask

Does everything automatically go to the spouse?

Not necessarily all of it. A married spouse receives a preferential share of a fixed amount first, then shares what remains with any children under a formula in the Succession Law Reform Act. A larger estate with children can leave the spouse with less than the whole.

Do common-law partners inherit if there's no will?

Not under Part II of the Succession Law Reform Act, regardless of how long the relationship lasted. A common-law partner may still have other claims, including for dependant's support, but they are not an automatic heir the way a married spouse is.

Who decides guardianship of minor children without a will?

The Children's Law Reform Act governs guardianship separately from inheritance; a will's nomination of a guardian is not binding on the court but is given real weight. Without a will, the court decides based on the child's best interests, with input from anyone seeking the role.

Is probate still required if there's no will?

Often yes, for the same reasons it would be needed with a will: real estate solely in the deceased's name, or an institution that wants the court's confirmation before releasing an asset. The application is simply the version for an estate trustee without a will.

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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