No, it is not legal to marry your first cousin in Texas under current state law. Texas Family Code § 6.201 explicitly voids marriages between first cousins, a prohibition enacted in 2005 amid concerns over incestuous practices.
Legal Framework
Texas law categorically bans first-cousin marriages by deeming them void from inception, listing prohibited relationships including a “son or daughter of a brother or sister” (first cousins). County clerks cannot issue marriage licenses to first cousins, as applications require affirming no such relation under Family Code § 2.004. This stems from 2005 amendments reacting to groups like the FLDS church, tightening prior allowances.
Historical Context
Cousin marriages were legal across all U.S. states until recent decades, but Texas restricted first cousins in 2005 after earlier debates. The change aimed to curb child brides, incest, and related abuses, aligning with 30+ states now banning them. Distant cousins (second or beyond) face no restrictions.
Enforcement and Penalties
While the marriage itself is void, sexual relations between first cousins constitute a felony under Penal Code § 25.02, punishable by imprisonment. Common-law marriages might theoretically evade licensing but risk invalidation and prosecution. Out-of-state cousin marriages are not recognized in Texas, as shown in a 2012 immigration case where officials refused validation.
Health and Genetic Risks
First-cousin unions elevate recessive genetic disorder risks in offspring by 3-4%, including conditions like cystic fibrosis or thalassemia, per genetic studies. Texas policy reflects broader public health concerns, though no outright fertility bans exist. Critics argue bans infringe personal freedoms, but proponents cite child welfare.
Exceptions and Variations
No waivers exist for first cousins in Texas, unlike some states allowing them under age or infertility conditions. Adopted or half-blood first cousins remain prohibited. Second cousins and further relations are fully legal nationwide, including Texas.
U.S. State Comparisons
| Cousin Type | Texas Status | Example Permissive States |
|---|---|---|
| First Cousin | Illegal/Void | California, New York |
| Second Cousin | Legal | All states |
| Uncle/Niece | Illegal | All states |
| Double First | Illegal | All prohibiting states |
Immigration Implications
Texas’s stance complicates federal recognition; a first-cousin marriage valid elsewhere (e.g., India) failed U.S. immigration scrutiny due to Texas non-recognition. Couples must navigate varying state policies for relocation or visas.
Cultural Perspectives
Stigma persists in the U.S., but cousin marriages are common globally (10% worldwide), especially in Middle Eastern and South Asian cultures without genetic taboos. Texas law prioritizes local norms over international acceptance.
SOURCES:
- https://knue.com/yes-it-is-kinda-sorta-legal-to-marry-your-cousin-in-texas/
- https://www.avvo.com/legal-answers/what-are-the-rules-for-cousins-marrying-in-texas–930400.html












