Photo: Michael Macor, The Chronicle  The original plantiffs in the Proposition 8 case John Lewis and Stuart Gaffney await the rulings of the Supreme Court on the steps of City Hall in San Francisco, Calif. on Wednesday June 26, 2013. The court later handing down their decisions dismissing California's Proposition 8 and striking down parts of the Defense of Marriage Act.  The original plantiffs in the Proposition 8 case John Lewis and Stuart Gaffney await the rulings of the Supreme Court on the steps of City Hall in San Francisco, Calif. on Wednesday June 26, 2013. The court  Crowds celebrate news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Crowds celebrate news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Enrique Chavez waves his flag as Frank Pietronigro hold up his artwork to celebrate in the Castro as they hear the that the United States Supreme Court rules that Section 3 of the federal Defense of Marriage Act is unconstitutional and that California's Proposition 8 has been struck down, Wednesday June 26, 2013, in San Francisco, Calif.  Enrique Chavez waves his flag as Frank Pietronigro hold up his artwork to celebrate in the Castro as they hear the that the United States Supreme Court rules that Section 3 of the federal Defense of Marriage  Enrique Chavez, left and Safiya Delaney cheers at the corner of Castro and Market, Wednesday June 26, 2013, as she and others celebrate the United States Supreme Court ruling on Section 3 of the federal Defense of Marriage Act that it is unconstitutional and that California's Proposition 8 has been struck down, Wednesday June 26, 2013, in San Francisco, Calif.  Enrique Chavez, left and Safiya Delaney cheers at the corner of Castro and Market, Wednesday June 26, 2013, as she and others celebrate the United States Supreme Court ruling on Section 3 of the federal Defense  Crowds celebrate news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Crowds celebrate news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Jesse Castaneda reacts to the news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Jesse Castaneda reacts to the news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Same-sex partners of 10 years, Marlene White and Elana Metz, at home with their daughter Nia, hug and kiss after the Supreme Court of the United States both dismissed Proposition 8 and ruled the Defense of Marriage Act unconstitutional on the morning of Wednesday June 26, 2013 in Oakland, Calif. The couple said they are ready to get married again legally.  Same-sex partners of 10 years, Marlene White and Elana Metz, at home with their daughter Nia, hug and kiss after the Supreme Court of the United States both dismissed Proposition 8 and ruled the Defense of  Crowds celebrate news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Crowds celebrate news about the DOMA ruling in City Hall, Wednesday June 26, 2013 in San Francisco, Calif.  Same-sex partners of 10 years, Marlene White and Elana Metz, at home with their daughter Nia, react as the Supreme Court of the United States both dismissed Proposition 8 and ruled the Defense of Marriage Act unconstitutional on the morning of Wednesday June 26, 2013 in Oakland, Calif.  Same-sex partners of 10 years, Marlene White and Elana Metz, at home with their daughter Nia, react as the Supreme Court of the United States both dismissed Proposition 8 and ruled the Defense of Marriage Act  Safiya Delaney cheers at the corner of Castro and Market, Wednesday June 26, 2013, as she and others celebrate the United States Supreme Court ruling on Section 3 of the federal Defense of Marriage Act that it is unconstitutional and that California's Proposition 8 has been struck down, Wednesday June 26, 2013, in San Francisco, Calif.  Safiya Delaney cheers at the corner of Castro and Market, Wednesday June 26, 2013, as she and others celebrate the United States Supreme Court ruling on Section 3 of the federal Defense of Marriage Act that it  Same-sex partners of 10 years, Marlene White and Elana Metz, at home, show off their wedding rings from their previously unrecognized marriage ceremony after the Supreme Court of the United States both dismissed Proposition 8 and ruled the Defense of Marriage Act unconstitutional on the morning of Wednesday June 26, 2013 in Oakland, Calif. The couple said they are ready to get married again legally.  Same-sex partners of 10 years, Marlene White and Elana Metz, at home, show off their wedding rings from their previously unrecognized marriage ceremony after the Supreme Court of the United States both  Same-sex partners of 10 years, Marlene White and Elana Metz, at home with their daughter Nia, nervously wait and watch television reports moments before the Supreme Court of the United States both dismissed Proposition 8 and ruled the Defense of Marriage Act unconstitutional on the morning of Wednesday June 26, 2013 in Oakland, Calif.  Same-sex partners of 10 years, Marlene White and Elana Metz, at home with their daughter Nia, nervously wait and watch television reports moments before the Supreme Court of the United States both dismissed  Jay Wehr, (left) and Jared Scherer, along with Catlin Hart and Jenn Ellington, (right) react to the rulings of the Supreme Court at City Hall in San Francisco, Calif. on Wednesday June 26, 2013, handing down their decisions dismissing California's Proposition 8 and striking down parts of the Defense of Marriage Act.  Jay Wehr, (left) and Jared Scherer, along with Catlin Hart and Jenn Ellington, (right) react to the rulings of the Supreme Court at City Hall in San Francisco, Calif. on Wednesday June 26, 2013, handing down  Nikolas Lemos shows his supports for gay rights on the steps of City Hall as he awaits the Supreme Court rulings in San Francisco, Calif. on Wednesday June 26, 2013, later handing down their decisions dismissing California's Proposition 8 and striking down parts of the Defense of Marriage Act.  Nikolas Lemos shows his supports for gay rights on the steps of City Hall as he awaits the Supreme Court rulings in San Francisco, Calif. on Wednesday June 26, 2013, later handing down their decisions  Eddie Bell, left with husband Michael Chu, Randy Stevens and Adam Quintero watch the United States Supreme Court ruling on Section 3 of the federal Defense of Marriage Act that it is unconstitutional and that California's Proposition 8 has been struck down, Wednesday June 26, 2013, in San Francisco, Calif.  Eddie Bell, left with husband Michael Chu, Randy Stevens and Adam Quintero watch the United States Supreme Court ruling on Section 3 of the federal Defense of Marriage Act that it is unconstitutional and that  The original plaintiffs in the Proposition 8 case John Lewis and Stuart Gaffney await the rulings of the Supreme Court at City Hall on in San Francisco, Calif. on Wednesday June 26, 2013. The court later handing down their decisions dismissing California's Proposition 8 and striking down the Defense of Marriage Act.  The original plaintiffs in the Proposition 8 case John Lewis and Stuart Gaffney await the rulings of the Supreme Court at City Hall on in San Francisco, Calif. on Wednesday June 26, 2013. The court later  Enrique Chavez, left, starts to celebrate as Chris Kren and Joseph Mora watch the ruling of United States Supreme Court ruling Section 3 of the federal Defense of Marriage Act that it is unconstitutional and that California's Proposition 8 has been struck down, Wednesday June 26, 2013, in San Francisco, Calif.  Enrique Chavez, left, starts to celebrate as Chris Kren and Joseph Mora watch the ruling of United States Supreme Court ruling Section 3 of the federal Defense of Marriage Act that it is unconstitutional and  Gary McCoy wears a rainbow tie while waiting to hear the Supreme Court decision on DOMA/Prop 8 at the intersection of Market and Castro streets on June 27, 2013 in San Francisco, Calif.  Gary McCoy wears a rainbow tie while waiting to hear the Supreme Court decision on DOMA/Prop 8 at the intersection of Market and Castro streets on June 27, 2013 in San Francisco, Calif.  Joyce Newstat (l to r), Mayor Ed Lee and Phyllis Lyon react as they listen to coverage of the Supreme Court rulings in the Mayor's Office at City Hall on Wednesday, June 26, 2013 in San Francisco, Calif.  Joyce Newstat (l to r), Mayor Ed Lee and Phyllis Lyon react as they listen to coverage of the Supreme Court rulings in the Mayor's Office at City Hall on Wednesday, June 26, 2013 in San Francisco, Calif.  Julio Diaz, 28, center, of Chicago, Illinois, celebrates after the Supreme Court ruled 5-4 to strike down the Defense of Marriage Act, Wednesday, June 26, 2013, in Washington, D.C. (Pete Marovich/MCT)  Julio Diaz, 28, center, of Chicago, Illinois, celebrates after the Supreme Court ruled 5-4 to strike down the Defense of Marriage Act, Wednesday, June 26, 2013, in Washington, D.C. (Pete Marovich/MCT)  Mollie Wagoner, of Maryland, second right, and Sharon Burk, of New Jersey, celebrate after the U.S. Supreme Court overturned the Defense of Marriage Act (DOMA) and declined to rule on the California law Proposition 8 in Washington, D.C., U.S. on Wednesday, June 26, 2013. A divided U.S. Supreme Court gave a landmark victory to the gay-rights movement, striking down a federal law that denies benefits to same-sex married couples and clearing the way for weddings to resume in California. Photographer: Joshua Roberts/Bloomberg *** Local Caption *** Mollie Wagoner; Sharon Burk  Mollie Wagoner, of Maryland, second right, and Sharon Burk, of New Jersey, celebrate after the U.S. Supreme Court overturned the Defense of Marriage Act (DOMA) and declined to rule on the California law  Michael Hoff waves a flag while sitting on an electrical box during celebrations in the Castro in San Francisco, Calif. on June 26, 2013.  Michael Hoff waves a flag while sitting on an electrical box during celebrations in the Castro in San Francisco, Calif. on June 26, 2013.  Frank Capley-Alfano is hugged by Paul Hogarth after seeing each other during celebrations in the Castro in San Francisco, Calif. on June 26, 2013.  Frank Capley-Alfano is hugged by Paul Hogarth after seeing each other during celebrations in the Castro in San Francisco, Calif. on June 26, 2013.  The San Francisco Gay and Lesbian Freedom Band marches down Castro Street s they celebrate the Supreme Court decisions on DOMA and Prop. 8. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  The San Francisco Gay and Lesbian Freedom Band marches down Castro Street s they celebrate the Supreme Court decisions on DOMA and Prop. 8. Thousands gathered in the Castro district of San Francisco, Calif., on  Mike Wong leads the San Francisco Gay and Lesbian Freedom Band as they perform to celebrate the Supreme Court decisions on DOMA and Prop. 8. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  Mike Wong leads the San Francisco Gay and Lesbian Freedom Band as they perform to celebrate the Supreme Court decisions on DOMA and Prop. 8. Thousands gathered in the Castro district of San Francisco, Calif.,  Hundreds of people gathered with signs and flags in celebration of the dismissal of the appeal of Proposition 8 and DOMA was ruled unconstitutional in the Castro in San Francisco, Calif. on June 26, 2013.  Hundreds of people gathered with signs and flags in celebration of the dismissal of the appeal of Proposition 8 and DOMA was ruled unconstitutional in the Castro in San Francisco, Calif. on June 26, 2013.  Miguel Gutierrez walks down Castro Street wearing a wedding cake hat to celebrate the Supreme Court decisions on DOMA and Prop. 8. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  Miguel Gutierrez walks down Castro Street wearing a wedding cake hat to celebrate the Supreme Court decisions on DOMA and Prop. 8. Thousands gathered in the Castro district of San Francisco, Calif., on June 26,  Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  Cissy Bonini, right, and Karl Robillard, celebrate the Supreme Court decisions on DOMA and Prop. 8 at the Castro. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  Cissy Bonini, right, and Karl Robillard, celebrate the Supreme Court decisions on DOMA and Prop. 8 at the Castro. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to  Albert Santos gets a kiss from his friend's son, Sam Destin, 6, as they celebrate the Supreme Court's decisions on DOMA and same-sex marriage in California. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  Albert Santos gets a kiss from his friend's son, Sam Destin, 6, as they celebrate the Supreme Court's decisions on DOMA and same-sex marriage in California. Thousands gathered in the Castro district of San  Jialim Gao, left, and Jay Wehr, right, embrace during a song played during celebrations in the Castro in San Francisco, Calif. on June 26, 2013.  Jialim Gao, left, and Jay Wehr, right, embrace during a song played during celebrations in the Castro in San Francisco, Calif. on June 26, 2013.  DJ Kelly Kidd mixes music for the crowds gathered in the Castro celebrating the Supreme Court decisions on DOMA and same-sex marriage in California. Thousands gathered in the Castro district of San Francisco, Calif., on June 26, 2013, to celebrate the dismissal of the appeal of Proposition 8 by the U.S. Supreme Court.  DJ Kelly Kidd mixes music for the crowds gathered in the Castro celebrating the Supreme Court decisions on DOMA and same-sex marriage in California. Thousands gathered in the Castro district of San Francisco,
According to the Williams Institute at UCLA, there are 114,000 married same-sex couples in the United States, including 18,000 who wed in California in the months before voters approved a ban on same-sex marriage in November 2008.