LGBT marriage rights in the United States rest on two legal pillars: the Supreme Court’s 2015 ruling in Obergefell v. Hodges, which made marriage a constitutional right for same-sex couples in every state, and the Respect for Marriage Act of 2022, which wrote federal recognition of these marriages into statute. Together they give married same-sex couples the same federal tax treatment, Social Security benefits, immigration sponsorship, parental recognition, and workplace protections as any other married couple, and they require every state to honor a marriage lawfully performed anywhere in the country.
The Two Legal Foundations
In Obergefell v. Hodges, 576 U.S. 644 (2015), the Supreme Court held that the Fourteenth Amendment requires every state to issue marriage licenses to same-sex couples and to recognize marriages lawfully performed in other states.1Justia U.S. Supreme Court Center. Obergefell v. Hodges The Court relied on both the Due Process Clause, which protects fundamental liberties, and the Equal Protection Clause, which bars states from treating similarly situated people differently without justification. After Obergefell, laws that treat same-sex marriages as lesser or different are constitutionally suspect, and that reasoning has carried through parental rights, tax law, immigration policy, and employer benefits.
Seven years later, Congress passed the Respect for Marriage Act (Public Law 117-228), repealing what remained of the Defense of Marriage Act and locking federal recognition into statute.2Congress.gov. Public Law 117-228 – Respect for Marriage Act The law does two things. First, the federal government must recognize any marriage that was valid where it was performed, for every federal purpose. Second, no state may deny full faith and credit to a marriage from another state based on the sex, race, ethnicity, or national origin of the spouses.
One boundary matters here. The Respect for Marriage Act forces states to recognize valid marriages from other jurisdictions, but it does not independently require states to issue new licenses. That licensing mandate comes from Obergefell. The statute also carves out religious nonprofits, which cannot be required to provide services, facilities, or goods for a marriage celebration, and cannot lose tax-exempt status or federal grants over their beliefs about marriage.2Congress.gov. Public Law 117-228 – Respect for Marriage Act Those protections apply to religious nonprofits, not to for-profit businesses operating in the commercial marketplace.
Federal Tax, Estate, and Social Security Benefits
The IRS uses a place-of-celebration rule. If your marriage was valid where it was performed, the federal government treats you as married regardless of where you live now. Legally married same-sex couples must file federal income tax returns as either married filing jointly or married filing separately, and the recognition extends to the standard deduction, the earned income tax credit, the child tax credit, and IRA contributions.3Internal Revenue Service. Revenue Ruling 2013-17
Estate planning is where the stakes get large. Married couples qualify for the unlimited marital deduction, which lets you transfer any amount of assets to your spouse during life or at death without triggering federal estate or gift tax. For 2026, the individual estate and gift tax exemption is $15 million, so a married couple can effectively shield up to $30 million from federal estate tax through proper planning.4Internal Revenue Service. Whats New – Estate and Gift Tax
The Social Security Administration recognizes same-sex marriages for spousal retirement benefits, survivor benefits, Medicare eligibility, and disability benefits.5Social Security Administration. What Same-Sex Couples Need to Know If your spouse dies, you may qualify for survivor benefits even if you were unable to marry earlier because of state bans that were later struck down. The SSA specifically accounts for couples who would have married sooner but couldn’t under unconstitutional laws. Survivor benefit applications cannot be filed online, so you need to contact Social Security directly or visit a local office.
Immigration Sponsorship for a Same-Sex Spouse
USCIS applies the same place-of-celebration rule. A U.S. citizen can sponsor a same-sex spouse for a green card by filing Form I-130, using the identical process any other married couple would use. The marriage must be legally valid where it was performed, and USCIS evaluates this without regard to whether the couple’s current state of residence would independently recognize the union.6U.S. Citizenship and Immigration Services. Chapter 2 – Marriage and Marital Union for Naturalization
The couple must show the marriage is bona fide, meaning it was not entered solely to secure immigration status. USCIS looks for shared financial accounts, joint leases or property ownership, and photographs documenting the relationship. If the marriage is less than two years old when the foreign spouse receives permanent residency, the green card is issued on a conditional basis for two years, and the couple must file a joint petition to remove those conditions before that period expires.7Office of the Law Revision Counsel. 8 USC 1186a – Conditional Permanent Resident Status for Certain Alien Spouses and Sons and Daughters
Parental Rights and Birth Certificates
In Pavan v. Smith, 582 U.S. ___ (2017), the Supreme Court reversed an Arkansas ruling that had refused to list a birth mother’s female spouse on their child’s birth certificate. The holding was direct: if a state lists a husband on the birth certificate when a married woman gives birth, it must do the same for a wife.8Justia U.S. Supreme Court Center. Pavan v. Smith That matters for school enrollment, health insurance, inheritance, and every other context where a parent needs to prove legal parentage from a single document.
Adoption by same-sex couples is legal in all 50 states following Obergefell. The Full Faith and Credit Clause requires states to honor adoption decrees issued elsewhere, so a same-sex couple who adopts in one jurisdiction does not lose that legal relationship by moving to another.9Congress.gov. ArtIV.S1.1 Overview of Full Faith and Credit Clause
Workplace Protections
In Bostock v. Clayton County, 590 U.S. ___ (2020), the Supreme Court held that firing someone for being gay or transgender violates Title VII of the Civil Rights Act of 1964.10Justia U.S. Supreme Court Center. Bostock v. Clayton County The reasoning was that Title VII bans discrimination “because of sex,” and an employer who fires a man for being married to a man, but would not fire a woman for the same marriage, is making a decision based on that employee’s sex. The same logic applies to transgender employees. Bostock covers employers with 15 or more employees and reaches hiring, firing, promotions, and compensation. The ruling did not address bathroom access or dress codes.
Family and Medical Leave Act coverage also follows the place-of-celebration standard. If you are legally married anywhere, your employer must allow FMLA leave to care for your spouse with a serious health condition, regardless of where you live now.11Federal Register. Definition of Spouse Under the Family and Medical Leave Act
When Can a Business Refuse Service
Two Supreme Court decisions have shaped the collision between marriage equality and claims of religious or expressive freedom, and neither produced a universal rule. In Masterpiece Cakeshop, Ltd. v. Colorado Civil Rights Commission, 584 U.S. 617 (2018), a baker refused to create a custom wedding cake for a same-sex couple. The Court sided with the baker, but on narrow grounds: the Colorado Civil Rights Commission had shown open hostility toward the baker’s religious views during its proceedings.12Justia U.S. Supreme Court Center. Masterpiece Cakeshop, Ltd. v. Colorado Civil Rights Commission The decision did not create a broad right to refuse service.
Five years later, 303 Creative LLC v. Elenis, 600 U.S. 570 (2023), reached further. A web designer argued she should not be required to create wedding websites for same-sex couples under Colorado’s public accommodation law. The Court agreed, holding that the First Amendment prohibits the government from compelling someone to create expressive content that conveys a message they disagree with.13Supreme Court of the United States. 303 Creative LLC v. Elenis The qualifier is “expressive.” The ruling protects custom creative work, not the sale of ordinary goods and services. A florist arranging a standard bouquet or a hotel renting a ballroom sits on different legal ground than a designer crafting a personalized message. Most businesses cannot refuse service to same-sex couples under state and local anti-discrimination laws, but businesses offering genuinely custom, expressive work may have grounds to decline.
Civil Unions and Domestic Partnerships Are Not the Same
Some couples entered civil unions or domestic partnerships in states that offered those arrangements before full marriage equality arrived. The legal gap between those relationships and marriage is significant. The federal government does not recognize civil unions or domestic partnerships as marriages. Couples in these arrangements cannot file joint federal tax returns, claim Social Security spousal benefits, or file immigration petitions for a partner.3Internal Revenue Service. Revenue Ruling 2013-17 They are also not portable in the way marriages are: a civil union recognized in one state may carry no legal weight in another, and the Respect for Marriage Act’s full-faith-and-credit protections apply specifically to marriages. If you are still in a civil union or domestic partnership and want the full range of federal protections, converting to a legal marriage is the most reliable path. Some jurisdictions allow conversion without a new ceremony.
How Secure Are These Rights Now
Marriage equality is backed by both a constitutional ruling and a federal statute, which makes it unusually well-protected compared to rights established through court decisions alone. In his concurrence in Dobbs v. Jackson Women’s Health Organization (2022), Justice Thomas wrote that the Court should “reconsider all of this Court’s substantive due process precedents, including Griswold, Lawrence, and Obergefell.”14Supreme Court of the United States. Dobbs v. Jackson Womens Health Organization No other justice joined that part of his opinion, and the Dobbs majority stated that its ruling on abortion did not cast doubt on other precedents. That concurrence is nonetheless why Congress passed the Respect for Marriage Act later the same year.
If the Court ever overturned Obergefell, the Respect for Marriage Act would still require every state to recognize existing same-sex marriages performed in other jurisdictions, and the federal government would still treat those marriages as valid for tax, benefits, and immigration purposes.2Congress.gov. Public Law 117-228 – Respect for Marriage Act The gap would be in licensing. Without Obergefell, individual states could refuse to issue new licenses to same-sex couples, though a couple could travel to a willing state and return home with a federally recognized marriage. That is a meaningful downgrade from the current constitutional guarantee, and it is why the statutory and constitutional protections function as complementary rather than redundant.