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Family

What do I do if I cannot find my marriage certificate to file for divorce?

TSL Written by the Treadstone Law team· Updated June 2026

You must provide proof of your marriage when filing for divorce in Ontario — the court will not process the application without it. If you have misplaced your marriage certificate, there are ways to obtain a replacement.

If you were married in Ontario, you can order a certified copy of your marriage registration from ServiceOntario. A marriage registration is issued by the provincial government and is the official government record of your marriage; it serves the same purpose as the marriage certificate you received from the officiant. Processing times and fees vary; expedited processing is available for an additional cost.

If you were married in another Canadian province or territory, contact the vital statistics office of that province to obtain a certified copy of your marriage registration or certificate. Each province has its own process.

If you were married outside of Canada, you will need to obtain a replacement marriage certificate from the issuing authority in the country where you were married. If that certificate is in a language other than English or French, you will also need a certified translation. In some cases — particularly for marriages in countries with unstable or incomplete records — other documentation may be accepted, but you should speak with a family lawyer about alternative approaches.

Key takeaways

  • A marriage certificate or certified copy of the marriage registration is required to file for divorce.
  • Ontario marriages: order a certified copy of the registration from ServiceOntario.
  • Other Canadian provinces: contact that province's vital statistics office.
  • Foreign marriages: obtain a replacement from the issuing country; certified translation required if not in English or French.
This is general information, not legal advice. It doesn’t create a lawyer–client relationship, and the rules can change. For advice on your situation, a Treadstone family lawyer can help.
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