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How to Get Divorced in Ontario When You Can't Find Your Spouse

You can still get divorced in Ontario even if your spouse has disappeared. Learn what steps courts require when you can't locate a missing or absent spouse.

Family Law5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-06
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Key takeaways
  • Service of court documents is a foundational principle of procedural fairness.
  • Before the court will authorize substituted service or dispense with service, you must demonstrate that you genuinely tried to find your spouse.
  • Substituted Service If your efforts have identified some way that information might reach your spouse — an email address still in use, a family member who is in contact with them, a…

Marriages sometimes end with one spouse simply disappearing — moving away with no forwarding address, cutting off all contact, or becoming unreachable for reasons the other spouse does not fully understand. If you are in this situation, you may be wondering whether you are trapped in a legal marriage indefinitely. The answer is no. Ontario courts have mechanisms to allow a divorce to proceed even when you cannot locate your spouse — but they require you to show genuine effort and follow a defined process.

This article explains what the law requires and the steps involved when your spouse cannot be found.

Why the Court Cares About Finding Your Spouse

Service of court documents is a foundational principle of procedural fairness. Before the court will grant any order affecting someone's rights, that person should have had the opportunity to respond. This is why personal service of the divorce application is normally required.

But courts also recognize that requiring personal service in every case would give one spouse enormous power to block a divorce simply by disappearing. The law addresses this through two mechanisms:

  1. Substituted service — serving the missing spouse by an alternative method that is still likely to bring the documents to their attention
  2. Dispensing with service — removing the service requirement entirely in cases where the spouse truly cannot be found despite exhaustive efforts

Step 1: Make Genuine Efforts to Locate Your Spouse

Before the court will authorize substituted service or dispense with service, you must demonstrate that you genuinely tried to find your spouse. Courts expect more than a few phone calls. Depending on how long ago contact was lost and what information you have, efforts might include:

All of these efforts must be documented. You will need to swear an affidavit describing what you did, when, what results you got, and why you concluded your spouse cannot be found or served by normal means.

Step 2: Apply for Substituted Service or to Dispense with Service

Substituted Service

If your efforts have identified some way that information might reach your spouse — an email address still in use, a family member who is in contact with them, a social media account with recent activity — you can apply for an order for substituted service. This is a court order authorizing you to serve the documents by a specific alternative method rather than personal delivery.

Common forms of substituted service courts have authorized include:

The court will grant substituted service if it is satisfied the proposed method is reasonably likely to bring the documents to the respondent's attention.

Dispensing with Service

If you have truly exhausted all avenues and cannot identify any method that would reach your spouse, you can apply to the court to dispense with service entirely. This is a more significant step — the court is essentially saying that while service did not occur, the circumstances justify proceeding anyway.

Courts grant this remedy carefully and only when:

Step 3: Proceeding with the Divorce Application

Once the court has authorized substituted service (or dispensed with service), the process continues. Depending on the order:

What If the Spouse Reappears After the Divorce?

A former spouse who did not receive notice of the proceedings has legal avenues to challenge a default order, but these avenues are not unlimited. If they reappear after the divorce is granted, they would need to:

Courts balance these considerations against the interests of a former spouse who may have remarried in good faith. The longer the time elapsed and the more thorough the original efforts at service, the less likely a successful set-aside becomes.

The Question of Other Issues: Property and Children

When a divorce is granted without your spouse's participation, the divorce order itself dissolves the marriage. However, property and support issues are not automatically resolved. If there is property in both names, children from the marriage, or support entitlements, these matters may need to be addressed in a separate proceeding — either now or if the missing spouse reappears later.

A lawyer can help you think through how to protect your position on these issues even when your spouse is absent.

Frequently asked questions

How long do I have to search before a court will help me?

There is no set minimum period, but courts expect a thorough, documented search. A private investigator's report covering multiple search methods and confirming the search was unsuccessful is often the most persuasive evidence. Courts look at the quality of the search, not just its length.

Can I just send divorce papers to my spouse's last known address and hope for the best?

No. Mailing to a last known address is sometimes an element of substituted service, but it requires a court order to count as valid service. You cannot bypass the formal process by simply mailing documents and assuming it qualifies.

My spouse is living abroad and I have a general sense of the country but not the address. Does that change anything?

It may. If you can establish the country, there may be steps available through international channels (the Hague Convention on Service, for example). A lawyer familiar with international family law matters can advise whether this changes your options.

Will the divorce be valid if my spouse was never actually served?

If the court authorizes dispensed service, the resulting divorce order is valid. However, a respondent who later proves they received no actual notice of the proceedings has certain rights to challenge the order within a reasonable time. This is one reason thorough documentation of search efforts is so important.

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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