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Making a Valid Will in Ontario

Signing, witnesses, handwritten wills, and what makes a will fail

Draft — pending review. This page has been prepared but has not yet been reviewed by a Canadian estates lawyer or a qualified scholar. Treat it as a starting point for questions, not as advice you should act on.

A will that is religiously sound but legally invalid distributes nothing. These are the Ontario requirements that decide whether the document works.

Ontario requirements

ItemOntario
Governing statuteSuccession Law Reform Act
CourtSuperior Court of Justice
Handwritten (holograph) willsValid
Probate costEstate Administration Tax: nil on the first $50,000, then about $15 per $1,000 of value above that (roughly 1.5%). A Small Estate Certificate is available for estates of $150,000 or less.
Spouse’s share on intestacy$350,000 for deaths on or after 1 March 2021 ($200,000 before that date).
Will registryNo central government registry of wills. This is the gap a private registry fills.
Claims against the estateDependant support claims under Part V of the Succession Law Reform Act. Ontario does not have a BC-style wills variation regime for independent adult children.

The failures that recur

Drafting note

A well-drafted Islamic will usually states the faraid shares explicitly, names a fallback distribution if a share fails, and appoints both an executor and a guardian. That is lawyer work, not template work.

Common questions

Can my spouse witness my will?

They should not. A gift to a witness or the witness's spouse can be void, even where the will itself remains valid.

Is a will I wrote by hand valid?

It depends on the province — several accept holograph wills, and at least one does not. Check the table above before relying on a handwritten document.

Do I need a new will if I get married or divorced?

Very likely. Marriage and divorce can revoke a will or the gifts in it, and the rules differ by province and by the date of the will.

Citations & sources

Every factual claim on this page traces to one of the references below. Legislation and dollar thresholds change — verify against the primary source before relying on any figure.

Legislation & government sources
  1. What to do when someone has died — Canada Revenue Agency
  2. Succession Law Reform Act, RSO 1990, c S.26 — Government of Ontario
  3. Estate Administration Tax — Government of Ontario
  4. Locating wills and documents — Law Society of Ontario
Islamic primary sources
  1. Surah an-Nisa 4:11–12, 4:176 — Quran.com
  2. Book of Wills (Wasaya) — Sahih al-Bukhari, Sunnah.com
Canadian legal commentary
  1. Minority shareholder demand own valuation before selling ontario — Treadstone Law
  2. Ontario valid will legal requirements — Treadstone Law
  3. Litigation guardian ontario lacks capacity — Treadstone Law
  4. Estate trustee without will ontario — Treadstone Law
  5. Trust for minor child ontario will — Treadstone Law
  6. Probate with will vs without will ontario differences — Treadstone Law
  7. Wills & estates practice — Treadstone Law
Demographics
  1. Religion by census metropolitan area, 2021 Census — Statistics Canada