Updating your will after marriage, divorce or children

How the law usually works

A will generally controls property that forms part of your estate. It may not control jointly owned property, life insurance, retirement or pension accounts, payable-on-death accounts, or assets held in trust. Those assets commonly pass under a beneficiary designation or ownership arrangement instead.

Marriage. In many places, marriage can revoke an earlier will, or can give a surviving spouse rights that override parts of it. Some laws preserve a will made “in contemplation of marriage” to a named person. Other jurisdictions treat marriage as changing inheritance rights without automatically cancelling the whole will. A new spouse may also have a statutory right to claim a share of the estate.

Divorce or dissolution. Divorce commonly cancels gifts to a former spouse and may remove the former spouse as executor, trustee, or beneficiary. It often does not cancel the entire will. A former spouse may still be relevant if the document names that person’s relatives, or if the divorce was not legally final. Separation without a divorce usually has fewer automatic effects.

Children. Having or adopting a child does not always require a new will, but it commonly does. You may need to name a guardian, create a trust for a child who is under the age of majority, choose a trustee, and explain whether children inherit equally or under another arrangement. Laws in many jurisdictions protect a child born or adopted after a will was signed, particularly where the will did not provide for that child. These protections vary and may not produce the result you intended.

Changes in family structure. Blended families, stepchildren, assisted reproduction, adoption, and children who have died can create special issues. A will should use clear definitions, such as whether “children” includes adopted children, and should state what happens if a beneficiary dies first.

Common processes

1. Review the existing will and related arrangements. People commonly check the signing date, marriage or divorce status, named beneficiaries, executor, trustee, guardians, and backup choices. They also review insurance, pension, retirement, and investment account nominations.

1. Identify what changed. The relevant event may be a marriage, civil partnership, divorce, annulment, separation, birth, adoption, death of a beneficiary, or a change in residence. People often gather the relevant certificates and court orders because the legal date and type of event can matter.

1. Decide whether to amend or replace the will. A short codicil can change limited provisions, but a complete replacement is often clearer after marriage, divorce, or the arrival of children. A replacement should expressly revoke earlier wills where local law and professional advice support that wording.

1. Choose decision-makers. People commonly reconsider the executor, alternate executor, trustee, guardian, and substitute guardian. A guardian’s appointment may not be binding on a court, but it records your preference. The child’s best interests and local family-law rules can still control.

1. Set out children’s inheritance. A will may provide for children directly, through a testamentary trust, or through another structure. People commonly address the age or conditions for receiving money, what happens if a child dies, and whether a deceased child’s children take that child’s share.

1. Update beneficiary designations and ownership. A new will does not usually change an insurance nomination, retirement-account beneficiary, pension designation, or joint ownership. People commonly contact each institution and complete its own forms. A conflict between a will and a beneficiary form can produce an unintended result.

1. Sign and witness the document correctly. Execution rules differ. They commonly require a written document, the person making the will to sign or acknowledge it, and witnesses to be present under specified conditions. A beneficiary who acts as a witness may risk losing a gift in some places, even if the will remains valid.

1. Store and communicate the final version. People commonly keep the original safely, tell the executor where it is, and destroy or clearly mark revoked versions. They usually avoid handwritten changes after signing unless local law recognizes them.

Deadlines and time limits

The time limits depend on the event, the type of claim, and the jurisdiction.

• A marriage or divorce may have an immediate legal effect once it is legally recognized, even if you do not sign a new will.
• A will challenge commonly has a limited period after probate, the grant of representation, or notice of the estate. Sources in different jurisdictions commonly describe periods ranging from several months to a few years.
• A spouse or child claiming financial provision may have a separate deadline, often measured from death or from the grant of probate.
• A challenge based on lack of capacity, undue influence, or improper execution may follow different rules, and some claims may be subject to equitable delay rules rather than one simple period.

These are only typical patterns. The applicable deadline can depend on the state, province, territory, court order, and whether probate has started. Confirmation with the court or a licensed attorney where you live is important.

Documents that usually matter

• The current will, earlier wills, and any codicils
• Marriage, civil-partnership, divorce, annulment, birth, and adoption records
• Court orders concerning divorce, property division, child arrangements, or support
• Life insurance, pension, retirement, and investment beneficiary forms
• Trust deeds and amendments
• Deeds, land titles, joint-account records, and business ownership documents
• Identification and contact details for proposed executors, trustees, guardians, and beneficiaries
• Records showing debts, assets, and digital or cryptocurrency holdings
• Any written evidence of a deceased beneficiary, such as a death certificate

How it differs by jurisdiction

United States. State law controls wills, marriage, divorce, probate, and family claims. Many states have statutes that revoke provisions benefiting a former spouse after divorce, but the details differ. Some states follow parts of the Uniform Probate Code, including rules for omitted spouses and children; many do not follow it exactly. Community-property states can give a spouse rights in property acquired during marriage, while other states use different marital-property rules. Retirement and insurance laws can also override a will.

England and Wales. Under the Wills Act 1837, marriage generally revokes an earlier will unless the will was made in contemplation of that marriage. Divorce or dissolution generally treats gifts and appointments to the former spouse or civil partner as if that person had died, but does not usually revoke the whole will. A surviving spouse or civil partner, and sometimes children or other dependants, may seek reasonable financial provision under the Inheritance (Provision for Family and Dependants) Act 1975.

Canada. Provincial and territorial law applies. The effect of marriage has changed in some provinces, and several jurisdictions have amended older rules that once revoked a will on marriage. Divorce commonly affects gifts to a former spouse, but the precise result differs. Provinces also have different dependants’ relief, property, and omitted-child rules. Beneficiary designations may be governed by separate insurance, pension, or succession legislation.

Australia. State and territory succession law applies. Marriage commonly revokes a will unless an exception applies, while divorce may revoke gifts or appointments to a former spouse without cancelling the entire will. The wording and effect differ among New South Wales, Victoria, Queensland, Western Australia, South Australia, Tasmania, the Australian Capital Territory, and the Northern Territory. Family provision claims are especially jurisdiction-specific and can apply to spouses, children, and other eligible people.

When people consult a lawyer

Legal advice is particularly useful when you have remarried, are divorcing, have a blended family, have a disabled or financially dependent child, own property in more than one place, or expect a family dispute. It is also useful when a child was born or adopted after the will, when a beneficiary has died, or when you want to exclude a spouse or child.

A lawyer can check execution requirements, marital-property rights, omitted-spouse or omitted-child rules, trusts, tax issues, and beneficiary designations. Advice is especially important if you are elderly, seriously ill, or concerned that someone may later allege lack of capacity or undue influence.