Wills for Unmarried Couples

Why a Will Is Non-Negotiable for Unmarried Partners

Married couples have a safety net. Even without a will, intestacy laws guarantee the surviving spouse a substantial share of the estate — often the entire thing. Unmarried partners get nothing under those same laws. Zero. The estate passes to parents, siblings, and distant blood relatives, even if you've lived together for decades.

A will is the minimum viable protection for an unmarried couple. It's not a luxury or a someday project. Without one, every asset titled in your partner's name — the car, the savings account, the house — belongs to their next of kin the moment they die.

What to Include in Your Will

Named beneficiaries. Specify exactly who receives each asset. Vague language like "my personal effects to my partner" invites challenges. Name your partner fully, state the relationship, and describe the assets clearly.

An executor appointment. The executor manages the estate, pays debts, and distributes assets. Naming your partner as executor gives them a basis to petition for authority; legal authority begins when the court appoints them and issues the required letters. Without this, a court appoints an administrator — often a family member who may not have your partner's interests in mind.

A residuary clause. This catches everything you didn't specifically list. Without it, unlisted assets fall back into intestacy distribution.

Guardianship provisions. If you're raising children and your partner isn't the biological or adoptive parent, naming them as the preferred guardian in your will doesn't guarantee custody, but it puts your wishes on record for the court.

How to Make the Will Harder to Contest

Biological relatives can challenge a will on grounds of undue influence, lack of mental capacity, or improper execution. Unmarried couples face a higher contest risk because the relatives who would inherit under intestacy have a direct financial incentive to challenge. Three defenses:

Use an attorney. Self-drafted wills are easier to challenge. An attorney creates a record of your intent, witnesses the signing, and can testify about your capacity if needed.

Discuss a no-contest clause with an estate attorney. Its effect and enforceability vary by state, and it may not deter every challenge.

Document your intent. A brief memo explaining why you're distributing assets the way you are — kept with the will but not part of it — gives the court context if the will is challenged. This is especially valuable when you're leaving most assets to a partner rather than family.

Mistakes That Undermine the Will

Failing to update beneficiary designations. Life insurance, retirement accounts, and POD bank accounts pass by beneficiary designation, not by will. If your 401(k) still lists an ex or a parent as beneficiary, the will can't override it.

Forgetting about property titles. A will can't override joint tenancy with right of survivorship. If property is held as tenancy in common, the will controls the deceased's share. If it's in one name only, the will directs it — but probate must run first, and that takes time.

Not keeping the original accessible. A lost original can create a proof problem and may require additional court procedures. Your partner needs to know where the signed original is kept and how to access it immediately after your death, before any relatives can interfere.

A Will Is the Start, Not the Finish

A will covers what happens after you die, but it doesn't protect you during incapacity (you need a power of attorney and healthcare proxy for that), and it doesn't avoid probate (a revocable trust does). For unmarried couples, the full protection stack includes all four documents plus a thorough beneficiary designation review.

The When Your Partner Dies (Unmarried) toolkit covers the complete protection framework, from the documents you need before a death to the step-by-step actions your partner should take in the first 48 hours after.