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Cohabitation Agreements vs. Trusts: Protecting Unmarried Partners
Home→Articles→Trusts

Cohabitation Agreements vs. Trusts: Protecting Unmarried Partners

Cohabitation agreements versus trusts for unmarried partners.

SimplyTrustSimplyTrust Editorial·March 12, 2026·1 min read

Contents

  • What Are Cohabitation Agreements and How Do They Work?
  • Why Don't Kentucky and Ohio Recognize Cohabitation Agreements?
  • How Do Trusts Provide Better Protection for Unmarried Couples?
  • Which Estate Planning Strategy Works Best for Your Situation?
Trusts

What Are Cohabitation Agreements and How Do They Work?

Cohabitation agreements allow unmarried couples living together to establish legal protections for property ownership, financial responsibilities, and asset distribution. These contracts function similarly to prenuptial agreements but apply to couples who choose not to marry. The agreements typically outline how partners will handle shared expenses, property acquired during the relationship, and what happens if the relationship ends.

Unlike married couples who receive automatic legal protections through marriage laws, unmarried partners have limited rights to each other's property or financial support. Cohabitation agreements bridge this gap by creating legally binding arrangements that protect both parties' interests.

Why Don't Kentucky and Ohio Recognize Cohabitation Agreements?

Kentucky and Ohio remain among the states that do not fully honor cohabitation agreements. These states maintain traditional approaches to unmarried relationships, often viewing such agreements as contrary to public policy that favors marriage. Courts in these jurisdictions may refuse to enforce cohabitation agreements, particularly those that resemble marital arrangements or provide ongoing financial support after separation.

The legal reasoning stems from historical precedents that distinguished between marriage and cohabitation. Kentucky courts have historically been reluctant to enforce agreements that they perceive as encouraging or legitimizing unmarried cohabitation. Ohio follows similar principles, though some limited contractual arrangements between unmarried partners may receive enforcement if they focus purely on property rights rather than relationship-based obligations.

How Do Trusts Provide Better Protection for Unmarried Couples?

Trusts offer unmarried partners more reliable legal protection than cohabitation agreements, especially in states like Kentucky and Ohio. A revocable living trust allows one partner to name the other as a beneficiary, ensuring asset transfer occurs outside of probate court. This approach bypasses potential challenges to cohabitation agreements while providing clear legal mechanisms for property distribution.

Kentucky has adopted the Uniform Trust Code, which provides comprehensive legal framework for trust administration. Ohio also follows the Uniform Trust Code, ensuring consistent trust enforcement across both states. These laws give unmarried couples confidence that properly executed trusts will receive legal recognition.

Which Estate Planning Strategy Works Best for Your Situation?

The choice between cohabitation agreements and trusts depends on your specific circumstances and state of residence. Unmarried couples in Kentucky and Ohio should prioritize trusts as their primary estate planning tool, given the uncertain enforceability of cohabitation agreements in these states.

Trusts provide several advantages over cohabitation agreements. They avoid probate, maintain privacy, and receive consistent legal recognition across all states. Partners can establish revocable trusts that allow changes during their lifetime while ensuring smooth asset transfer upon death.

For comprehensive protection, unmarried couples should consider combining multiple estate planning tools. Powers of attorney for healthcare and financial decisions ensure partners can make important decisions for each other. Healthcare proxies allow medical decision-making when one partner becomes incapacitated.

Professional legal guidance becomes essential when navigating these complex decisions. An estate planning attorney can help unmarried couples understand their state's specific laws and create comprehensive plans that protect both partners' interests effectively.

(Learn More: Read about term versus whole life insurance.)

Sources

  • Kentucky Statutes (§ 391.010, § 392.020, § 391.030, § 397.1002, § 391.040)
  • Ohio Statutes (§ 2105.06, § 2105.32, § 2107.02, § 2105.06, § 2105.32)
#cohabitation agreements#unmarried couples