Trinity Cathedral (Phoenix, Arizona) Day of 1920. On the third side was Atwood Hall, completed in 1931. In 1914, Trinity Parish was designated to serve as the Pro-Cathedral for the Missionary Jurisdiction of Arizona and following the designation of the missionary jurisdiction as a Diocese in 1959, Trinity became the fourth true Cathedral of The Episcopal Church under the full control of the Bishop and Chapter in 1988 joining Grace Cathedral of San Francisco, the Cathedral of St. John the Divine in New York City and the Cathedral of Sts. Peter and Paul in Washington, D.C. Most US Cathedrals of the Episcopal Church in
Grace Cathedral, San Francisco of the choir attend the Cathedral School for Boys, while the 12 men are a professional ensemble. There is also a mixed-voice adult choir. The director of music and choirmaster is Ben Bachmann. Alan Jones retired as dean in 2009. He was also the moderator of The Forum at Grace Cathedral. In 2010 Jane Shaw was installed as the eighth dean of Grace Cathedral. She left Grace Cathedral in September 2014 to become to Dean for Religious Life and Professor of Religious Studies at Stanford University In 2015 Malcolm Clemens Young became the ninth Dean of Grace Cathedral. The cathedral's