Mary Yu

Washington State Supreme Court

Game Changer

Mary was the first out LGBTQ person to serve on the Washington Supreme Court!


Mary Yu was appointed to the Washington Supreme Court on May 16, 2014, and subsequently elected in 2014 and 2016. Justice Yu joined the Supreme Court after more than 14 years as a trial court judge in King County Superior Court where she presided over a wide variety of criminal, civil, and juvenile cases, and presided over hundreds of same sex adoptions and other family law matters. Justice Yu has an extensive record of service both on and off the bench, mentoring young attorneys, law clerks, and students; co-chairing the Court’s Minority and Justice Commission; chairing the Board for Judicial Administration’s Public Trust and Confidence Committee; teaching at Seattle University School of Law and serving as Jurist in Residence; and co-chairing the Washington State Bar Association/University of Washington Law School Leadership Institute.

Justice Yu was raised in Bridgeport, a South Side neighborhood in Chicago by immigrant parents; her mother came from Mexico and her father from China. She is the first in her family to graduate from college. She received her B.A. from Dominican University, her M.A. in Religious Studies from Mundelein College of Loyola University in Chicago, and her J.D. from the University of Notre Dame Law School. Justice Yu is the first Asian, the first Latina, and the first out member of the LGBTQ community to serve on the Washington State Supreme Court. Justice Yu is the recipient of numerous awards including Voice of Social Justice” from the Greater Seattle Business Association.

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