The Catholic Diocese of Charleston comprises the entire state of South Carolina with Charleston as its See city. Founded in 1820, it is one of the oldest Catholic dioceses in the United States.
Bishop Guglielmone
The Most Rev. Robert E. Guglielmone was ordained and installed as the 13th Bishop of Charleston on March 25, 2009, in the Cathedral of St. John the Baptist. His motto is "Walk Humbly With Your God".
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Catholics respond to the Emanuel AME Church massacre
Bishop Guglielmone, priests, religious and laity responded to the tragedy by joining in prayer and support for the victims, their families and the entire Emanuel AME Church community. ​​

Bishop Guglielmone responds to US Supreme Court decision on same-sex marriage
“Our Catholic faith upholds the dignity of every human person, including persons with same-sex attraction. At the same time, the Church sustains that marriage is a sacrament instituted by God, not by man or by institution, and can only be between one man and one woman."