Wyoming Intestate Succession Rules: What To Know
Understand Wyoming's intestate succession laws: how assets distribute without a will to spouses, children, and family.
When someone passes away in Wyoming without a valid will, state laws dictate how their estate is divided among heirs. This process, known as intestate succession, prioritizes close family members to ensure fair distribution of assets after debts are settled.
Core Principles of Intestate Distribution in Wyoming
Wyoming’s intestate rules apply only to probate assets—property passing through the court-supervised probate process. Non-probate assets, such as joint tenancy real estate, life insurance proceeds, or retirement accounts with named beneficiaries, transfer directly to co-owners or beneficiaries outside these laws.13
The statutes outline a hierarchical order: surviving spouses and descendants take precedence, followed by parents, siblings, and more distant relatives. If no heirs exist, the estate escheats to the state.16
- Probate Assets Include: Solely owned real estate, personal bank accounts without beneficiaries, vehicles titled only to the decedent, and tangible personal property like jewelry or furniture.
- Non-Probate Assets Bypass: Jointly owned property with right of survivorship, payable-on-death accounts, transfer-on-death securities, and trusts.
Spousal Inheritance Rights Under Intestate Laws
A surviving spouse’s share hinges on the presence of descendants (children, grandchildren, or further lineal heirs). Wyoming is not a community property state, so separate property rules apply fully.14
| Family Situation | Spouse’s Share | Other Heirs’ Share |
|---|---|---|
| Spouse + Descendants | 50% of intestate estate | 50% to descendants per stirpes |
| Spouse, No Descendants | 100% of intestate estate | None |
| No Spouse, Descendants | None | 100% to descendants |
Example: If a decedent leaves a $400,000 probate estate, spouse, and two children, the spouse receives $200,000. The children split the remaining $200,000 equally ($100,000 each).3
Children’s and Descendants’ Entitlements
Descendants inherit equally at their generation level, with per stirpes distribution if a child predeceases the decedent. This means grandchildren take their parent’s share.12
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- Biological children born within marriage inherit automatically.
- Posthumous children (born after death) qualify if conceived before.1
- Adopted children inherit as natural-born; stepchildren do not unless legally adopted.6
Wyoming recognizes children born out of wedlock as heirs if paternity is established via acknowledgment, court order, or clear genetic proof during probate.1
Distribution to Parents and Siblings
Absent a spouse or descendants, the estate passes to parents equally. If one parent survives, they take all. No children or parents? Siblings and their descendants share equally.14
| Scenario | Inheritors |
|---|---|
| No spouse/descendants, both parents alive | Parents split 50/50 |
| No spouse/descendants/parents, siblings alive | Siblings equal shares |
| Sibling predeceases: nieces/nephews per stirpes | Take parent’s share |
Extended Family and Escheat Rules
Intestate laws continue to grandparents, aunts/uncles, cousins, progressively. Wyoming statutes detail this chain up to great-grandparents’ descendants.1 Only if no relatives are found does the estate revert to the state treasury.4
This rarely occurs due to thorough heir searches by personal representatives.3
Half-Blood Relatives and Illegitimate Heirs
Half-blood siblings (sharing one parent) inherit equally with full siblings.1 For illegitimate decedents, succession mirrors legitimate ones: spouse/children first, then mother and her descendants if none.1
Initiating Probate for Intestate Estates
Probate begins with filing a petition in the district court of the county where the decedent resided or owned property. A personal representative (executor equivalent) is appointed—often the spouse or closest heir.59
- Locate and secure assets.
- Notify creditors (4-month claim period).
- Inventory and appraise estate.
- Pay debts/taxes.
- Distribute to heirs per statute.
Small estates under $200,000 may qualify for simplified “summary procedure” avoiding full probate.9
Advancements and Lifetime Gifts
Gifts to heirs during life are treated as advances against their intestate share if declared in writing or acknowledged by the heir. Value is assessed at the time of gift, adjusted for estate proportion.1
Why Draft a Will? Beyond Intestate Defaults
Intestate laws provide a fallback but may not align with personal wishes—e.g., excluding stepchildren or favoring charities. A will allows custom distribution, guardian naming for minors, and executor selection.49
- Disadvantages of Intestacy: Court delays (6-18 months), public records, fees (3-7% of estate), potential family disputes.
- Will Benefits: Private, faster, precise control.
Recent Developments in Wyoming Probate Law
Wyoming’s core intestate statute (Wyo. Stat. § 2-4-101) remains stable, rooted in principles from over a century ago, with modern updates for adopted children and paternity.56 Always consult current statutes, as amendments occur.
Frequently Asked Questions
What if my spouse and I have children from prior relationships?
Your spouse gets 50%, shared among all descendants equally—blended family children inherit together.13
Do grandchildren inherit if their parent died before me?
Yes, per stirpes: they step into the deceased parent’s share.1
Can I disinherit my spouse intestate?
No—spousal elective share protects against total disinheritance; requires a will and planning.9
What about out-of-state property?
Ancillary probate in Wyoming for real estate; domiciliary probate handles personalty.5
How long does probate take in Wyoming?
6-12 months typically; small estates faster via affidavit.9
Planning Steps to Avoid Intestate Pitfalls
Review beneficiaries annually, title assets jointly where possible, establish revocable trusts for larger estates. Consult Wyoming-licensed attorneys for personalized advice, as laws evolve.4
References
- 2010 Wyoming Statutes Title 2, Chapter 4: Intestate Succession — State of Wyoming. 2010. https://law.justia.com/codes/wyoming/2010/Title2/chapter4.html
- Title 2: Wills, Decedents’ Estates and Probate Code — Wyoming Legislature. Accessed 2026. https://wyoleg.gov/statutes/compress/title02.pdf
- Wyoming Wills — Wyoming Courts. 2025-04. https://www.wyocourts.gov/app/uploads/2025/04/Wyoming-Wills_UW.pdf
- Wyoming Inheritance Laws: What You Should Know — SmartAsset. Recent access 2026. https://smartasset.com/financial-advisor/wyoming-inheritance-laws
- Wyoming’s Interpretation of Its 130-Year-Old Intestacy Statute — University of Wyoming Law Review. 2002. https://scholarship.law.uwyo.edu/cgi/viewcontent.cgi?article=1052&context=wlr
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