Mississippi marriage-consideration writing rule
An agreement made upon consideration of marriage, except mutual promises to marry, must be evidenced by a writing signed by the party to be charged.
Miss. Code § 15-3-1(b)MS · Manually written guide
Prenup laws in Mississippi
Mississippi's package relies on Sanderson v. Sanderson for contract treatment, execution fairness, disclosure, and substantive unconscionability.Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)
Title 93 remains the statutory backdrop for divorce, support, custody, and other mandatory family-law issues outside the contract itself.Miss. Code tit. 93
Evidence tiersection verified
Package versionms-2026-07-23.3
Authorities24
Reviewed2026-07-23
Effective through2026-07-23
Formation and lifecycle
Execution requirements to investigate
Mississippi execution-time substantive measure
Substantive unconscionability is measured when the agreement is made, preserving freely negotiated allocation against hindsight based only on an onerous outcome.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi later-change classification boundary
Mississippi has no enacted uniform-act amendment section; a claimed change must satisfy the agreement, contract law, the statute of frauds, and transaction-specific requirements.
Hatton v. Hatton, 323 So. 3d 557 (Miss. Ct. App. 2021); Miss. Code § 15-3-1Mississippi common-law applicability boundary
Mississippi has not enacted a UPAA or UPMAA applicability schedule; execution date, then-current statutes, and developing common law determine the governing rules.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)What the agreement addresses
Permitted subjects and legal limits
Mississippi domestic-relations statutory context
Title 93 supplies mandatory divorce, property, alimony, custody, and child-support powers that operate alongside any premarital agreement.
Miss. Code tit. 93Mississippi contract enforceability
Mississippi enforces antenuptial agreements as contracts addressing property and spousal rights, subject to heightened fairness, disclosure, interpretation, and mandatory-law limits.
Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003); Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi substantive-unconscionability review
Trial courts must consider whether premarital terms were substantively unconscionable rather than limiting review to procedure.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi Sanderson remand application
On remand, Sanderson upheld mutually worded property, alimony, allowance, inheritance, and benefit waivers as not harsh, oppressive, or one-sided on that record.
Sanderson v. Sanderson, 245 So. 3d 421 (Miss. 2018)Mississippi separate-property maintenance application
Mabus enforced agreed separate-property treatment where parties meticulously maintained separate premarital, gift, and inheritance accounts.
Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003)Mississippi plain-language construction
An antenuptial agreement is interpreted like another contract, with unambiguous language enforced as written and construction reviewed de novo.
Hatton v. Hatton, 323 So. 3d 557 (Miss. Ct. App. 2021)Mississippi current pension-waiver construction
Tauzin construed the actual asset list and pension clause, declining to infer waiver of an omitted retirement account or marital accumulations and recognizing required postmarriage federal-benefit acts.
Tauzin v. Tauzin, 2024-CA-00141-COA (Miss. Ct. App. 2025)Mississippi commingling outside agreement scope
Funds placed in a joint account and used for family purposes may become commingled and fall outside separate-property protection despite traceability claims.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi agreement in equitable-distribution analysis
A written property-distribution agreement is an important equitable-distribution factor and ordinarily binding, subject to inequitable terms and applicable premarital validity rules.
Ferguson v. Ferguson, 639 So. 2d 921 (Miss. 1994)Mississippi spousal-support waiver boundary
Mississippi may enforce an alimony waiver after fair execution and substantive review, as Sanderson did on its mutual and fact-specific record.
Sanderson v. Sanderson, 245 So. 3d 421 (Miss. 2018)Mississippi child-support nonwaiver boundary
Private property and alimony arrangements do not eliminate child-support obligations, which remain governed by current statute and chancery review.
Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003); Miss. Code tit. 93Mississippi child best-interest boundary
Custody decisions require a current best-interest analysis under the Albright factors rather than conclusive advance private allocation.
Albright v. Albright, 437 So. 2d 1003 (Miss. 1983), applied in May v. Brown, 2023-CA-00624-COA (Miss. Ct. App. 2024)Mississippi antenuptial estate-waiver construction
Bell recognizes that prospective spouses may clearly waive claims against each other's estates and rejects an interpretation that would nullify that contractual intent automatically.
Estate of Bell v. Estate of Bell, 2021-CA-00789-COA (Miss. Ct. App. 2023)Process evidence
Financial disclosure, voluntariness, counsel, and timing
Mississippi controlling fairness framework
Sanderson treats premarital agreements as contracts with heightened execution fairness, voluntary assent, disclosure, and both procedural and substantive unconscionability review.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)Mississippi heightened fair-execution requirement
Premarital agreements carry a heightened requirement of fairness in execution, including voluntariness and financial disclosure.
Estate of Hensley v. Estate of Hensley, 524 So. 2d 325 (Miss. 1988); Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi voluntary-execution inquiry
Voluntariness turns on coercion, surprise, counsel opportunity, disclosure, signing proximity, and the actual wedding circumstances.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi full financial disclosure
Fair execution ordinarily requires disclosure of each party's financial assets through statements or sufficiently proved independent knowledge.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi independent-knowledge alternative
Fair disclosure may be established by financial statements or the other party's independent knowledge of the financial state.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Mississippi independent-counsel factor
Independent counsel is not categorically required, but a reasonable opportunity to consult is important to procedural conscionability.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014); Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003)Mississippi timing and pressure inquiry
Mississippi has no fixed waiting period; timing is assessed with wedding scope, counsel, disclosure, surprise, and coercion.
Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)Hypotheticals, not outcomes
Practical examples
These examples show how document facts can intersect with the cited sources. They do not predict a court result.
The extreme economic allocation
A draft allocates nearly all future appreciation to one party. Sanderson makes substantive unconscionability a legal issue requiring the full economic and execution record.Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)
Ask local counsel
How do current Mississippi cases evaluate substantive unconscionability for this allocation?
The disclosure without supporting records
A schedule lists assets but no supporting values or statements were exchanged. Sanderson's disclosure and execution-fairness analysis makes the actual information flow important.Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)
Ask local counsel
Was the financial disclosure adequate under current Mississippi precedent?
Common starting points
Mississippi prenup FAQs
Answers are deliberately scoped to the cited evidence package and should be checked against current law.
How does Sanderson characterize premarital agreements?
Sanderson treats premarital agreements as contracts while applying execution-fairness, disclosure, and unconscionability review.Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)
Can substantive terms be reviewed for unconscionability?
The cited Mississippi decision addresses substantive unconscionability as part of the premarital-agreement analysis.Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)
Why should counsel consult Title 93?
Title 93 contains mandatory domestic-relations rules that may constrain the requested contract remedy.Miss. Code tit. 93
Prepare for independent advice
Questions for a Mississippi lawyer
Bring the agreement, every exhibit, prior drafts, disclosure records, and a signing timeline. Then use the source-linked questions as an interview guide.
- 01
Which current Title 93 provision governs each requested remedy?Miss. Code tit. 93
- 02
Is the complete agreement or sufficient memorandum written and signed by each party against whom enforcement is sought?Miss. Code § 15-3-1(b)
- 03
What evidence addresses every Sanderson validity inquiry?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014), modified on rehearing (2015)
- 04
Which contractual subject and trigger does each clause address?Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003); Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 05
Was the agreement fairly procured under the complete signing record?Estate of Hensley v. Estate of Hensley, 524 So. 2d 325 (Miss. 1988); Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 06
What facts prove or undermine a free choice to sign?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 07
Were accurate schedules attached and delivered before execution?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 08
What did the waiving party independently know, from what source, and when?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 09
What meaningful conflict-free counsel opportunity existed?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014); Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003)
- 10
What does the complete draft-to-wedding chronology show?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 11
Was any provision substantively unconscionable when made?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 12
What circumstances existed when the parties executed the terms?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 13
How do the actual terms and execution record differ from the 2018 application?Sanderson v. Sanderson, 245 So. 3d 421 (Miss. 2018)
- 14
Were assets actually maintained and traced as the agreement requires?Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003)
- 15
What does the complete unambiguous instrument cover?Hatton v. Hatton, 323 So. 3d 557 (Miss. Ct. App. 2021)
- 16
Does the language and asset schedule actually reach the pension interest claimed?Tauzin v. Tauzin, 2024-CA-00141-COA (Miss. Ct. App. 2025)
- 17
Did title, deposits, withdrawals, or family use alter the asset's classification?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
- 18
How does the valid agreement interact with current equitable-classification and distribution doctrine?Ferguson v. Ferguson, 639 So. 2d 921 (Miss. 1994)
- 19
Does the support waiver satisfy both execution and substantive safeguards?Sanderson v. Sanderson, 245 So. 3d 421 (Miss. 2018)
- 20
Does any term attempt to waive or freeze a child's future support?Mabus v. Mabus, 890 So. 2d 806 (Miss. 2003); Miss. Code tit. 93
- 21
Does any term attempt to predetermine custody without current child-focused findings?Albright v. Albright, 437 So. 2d 1003 (Miss. 1983), applied in May v. Brown, 2023-CA-00624-COA (Miss. Ct. App. 2024)
- 22
Does the death-triggered language clearly waive the specific probate claim?Estate of Bell v. Estate of Bell, 2021-CA-00789-COA (Miss. Ct. App. 2023)
- 23
What instrument or conduct allegedly changed the agreement?Hatton v. Hatton, 323 So. 3d 557 (Miss. Ct. App. 2021); Miss. Code § 15-3-1
- 24
Which authorities governed when the agreement and later instruments were executed?Sanderson v. Sanderson, 170 So. 3d 430 (Miss. 2014)
Known boundaries
Package limitations
- This package encodes the cited official statutory sections but does not decide how a court would apply them to particular facts.
- Later amendments, decisions, court rules, conflicts rules, and local practice require continuing review.
- Attorney review is optional and can add a professional opinion; this package supports transparent research and issue spotting without prior endorsement.