Mississippi Prenup Laws: Guide for Engaged Couples

Getting married in Mississippi? A prenuptial agreement lets you set clear expectations about property, debt, and (where allowed) support—so you’re not relying only on default state rules.

Key points

  • Prenups are recognized if they’re voluntary, in writing, and signed by both partners.
  • Courts uphold prenups if they are voluntary, not the result of fraud or duress, and fair in the circumstances.
  • Mississippi prenups must be in writing and signed by both parties before marriage. Notarization is not strictly required but is recommended.

Are prenups legal in Mississippi?

Mississippi prenups must be in writing and signed by both parties before marriage. Notarization is not strictly required but is recommended. Full financial disclosure or a clear waiver is expected. Independent counsel is not mandatory but advised.

What makes a Mississippi prenup enforceable?

Courts uphold prenups if they are voluntary, not the result of fraud or duress, and fair in the circumstances. While Mississippi does not have a formal “second look” rule, extreme unfairness at enforcement may be considered, especially if one spouse faces destitution.

What you can—and can’t—include

Can waive property rights, inheritance rights, and alimony. Child custody/support clauses are unenforceable.

Simple process

Disclose all significant assets and debts. Sign well in advance of the wedding. Consider notarization and separate counsel to bolster enforceability.

Next steps

Start your Mississippi prenup

General information only, not legal advice. Laws and cases change—consider speaking with a local attorney about your situation.

Browse other states in our State Guides hub.

Common Questions:

Are prenups legal in Mississippi?

Yes. Written, signed prenups are recognized in Mississippi when basic requirements are met.

Do we have to notarize the prenup?

Not always mandated by statute, but notarization is strongly recommended to prove execution and avoid authenticity disputes.

What financial disclosure should we exchange?

Share a clear picture of assets, debts, and income (or sign a clear written waiver after adequate knowledge). Better disclosure makes stronger agreements.

Can we waive or limit spousal support?

Often yes, within public‑policy limits. Extreme outcomes may be reviewed. Independent counsel and fair timing improve enforceability.

Can a prenup decide child support or custody?

No. Those issues are decided later by a court based on the child’s best interests and statutory guidelines.

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