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On June 26, 2015, the United States Supreme Court ruled in favor of the freedom to marry in the case Obergefell v. Hodges, ending marriage discrimination throughout the nation. This decision was quickly implemented by states across the country, including in Missouri. Read more about the ruling here.


On August 3, 2004, anti-gay forces in Missouri pushed through Constitutional Amendment 2, an anti-marriage constitutional amendment that excludes same-sex couples from marriage. 

On October 3, 2014, Missouri Circuit Court Judge J. Dale Youngs ruled that marriages between same-sex couples legally performed in other states must be respected in Missouri. On October 6, the Missouri Attorney General announced that the state would allow the ruling to stand.

On November 7, 2014, U.S. District Court Judge Ortrie D. Smith ruled in favor of the freedom to marry in a federal case from Missouri, striking down the state's marriage ban and paving the way for the freedom to marry to begin in the Show Me State. The ruling is stayed until the judgment is final.

Just days before, on November 5, Missouri Circuit Court Judge Rex Burlison also ruled that denying the freedom to marry to same-sex couples in Missouri is unconstitutional. The victory applied only to St. Louis but paved the way for the a statewide decision, marking a historic and joyous day in the Show Me State. Read more about marriage litigation in Missouri.


  • PROMO is Missouri's statewide organization advocating for lesbian, gay, bisexual, and transgender equality through legislative action, electoral politics, grassroots organizing, and community education.
  • Show Me Marriage is a public education campaign dedicated to leading the conversation on why marriage matters to same-sex couples in Missouri. 
  • The American Civil Liberties Union is a non-partisan, non-profit organization dedicated to protecting the liberties guaranteed by the U.S. Constitution, the state Constitution, and state and federal laws.
  • The ACLU of Missouri is the state affiliate of the American Civil Liberties Union, committed to standing up for equality for all Missourians.
  • Freedom to Marry is the campaign to win marriage for same-sex couples nationwide.


A large majority of Missouri residents support some form or legal respect for same-sex couples, with 33% saying they support marriage and 31% saying that gay couples should be allowed to form civil unions. (Public Policy Polling, June 2012) 


According to The Williams Institute's analysis of the 2010 U.S. Census, 10,557 same-sex couples are living in Missouri, representing 4.4 same-sex couples per 1,000 households.


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Resources Related to Missouri

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Demographic and economic information about same-sex couples and same-sex couples raising children in Missouri.

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