Consanguineous Marriage Prohibition Act of 2026
- Bill Number
- H.R. 8634
- Origin Chamber
- House
- Congress
- 119th Congress, Session 2
- Policy Area
- Families
- Status
- Introduced
- Latest Action
- 2026-04-30: Referred to the House Committee on the Judiciary.
- Last Updated
- 2026-05-20T19:42:12Z
AI-Generated Summary
Purpose
The Consanguineous Marriage Prohibition Act of 2026 (H.R. 8634) aims to prevent federal recognition of marriages between individuals who are closely related by blood (consanguinity, meaning blood relatives) or marriage (affinity, meaning relatives through marriage), specifically up to the degree of first cousins.
Key Provisions
- Amends Section 7 of Title 1, United States Code, which defines marriage for federal law purposes.
- Replaces "2 individuals" with "2 individuals who are not related by affinity or consanguinity within the degree of first cousin" wherever it appears.
- This creates a federal standard excluding such marriages from federal recognition.
Significant Changes to Existing Law
- Current law (Section 7) defines marriage broadly as a legal union between 2 individuals (established after the 2015 Obergefell v. Hodges Supreme Court decision recognizing same-sex marriage).
- The bill adds a new restriction prohibiting federal acknowledgment of marriages involving close blood or marital relatives (e.g., siblings, parents/children, aunts/uncles/nieces/nephews, or first cousins), even if valid under state law.
Potential Impacts
- On citizens: Couples in prohibited relationships married in states allowing such unions (about half of U.S. states permit first-cousin marriages) would lose federal benefits like tax filing status, Social Security survivor benefits, immigration sponsorship, or federal estate tax exemptions.
- On government agencies: Agencies like the IRS, Social Security Administration, and USCIS must deny recognition, potentially increasing administrative burdens for verification.
- On international relations: Minimal direct impact, but could affect U.S. citizens abroad marrying close relatives in countries where it's legal, complicating federal benefits upon return.
- No effect on state-level marriage laws or divorces.
Main Stakeholders Affected
- Closely related couples: Primary group losing federal marriage recognition and benefits.
- U.S. states: Those permitting cousin marriages (e.g., California, New York) face federal override for benefits.
- Federal agencies: Handle marriage-based programs and must enforce the new definition.
- LGBTQ+ and other married couples: Unaffected unless also closely related.
Notable Legal, Constitutional, or Political Implications
- Legal: Reinforces federal supremacy over marriage for federal purposes (similar to pre-Obergefell Defense of Marriage Act), but may lead to lawsuits over full faith and credit (Article IV clause requiring states to respect other states' laws) or equal protection.
- Constitutional: Potential challenges under 14th Amendment due process/equal protection if seen as discriminatory against consensual adult relationships; contrasts with state autonomy on family law.
- Political: Sparks debate on federal vs. state power, cultural norms around cousin marriage (common in some immigrant communities), and consistency with anti-incest laws (most states ban closer relations). As an introduced bill (April 30, 2026), it requires passage by Congress and presidential approval to become law.
This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.
Sponsor
Cosponsors (1)
Recent Actions
- 2026-04-30: Referred to the House Committee on the Judiciary.
- 2026-04-30: Introduced in House
- 2026-04-30: Introduced in House
Bill Versions
- Consanguineous Marriage Prohibition Act of 2026 — issued 2026-04-30 — PDF (2 pages)