Holy Trinity Catholic Church, was established in 1794 and is located at 3513 N Street, N.W. between 35th and 36th Streets, in Georgetown, Washington, D.C., in the United States. It is one of the oldest churches to have remained in continuous operation in the city.
Holy Trinity was founded by Archbishop John Carroll, the first Catholic bishop in America and a cousin of Charles Carroll, a signer of the Declaration of Independence.
The original structure was built on N Street, but soon proved inadequate to accommodate a growing congregation. In 1829, the congregation erected a larger sanctuary to the west of the original facing 36th Street. The first church continues to serve the congregation as the Chapel of St. Ignatius.
During the American Civil War, the US government used the church as a hospital to treat more than 200 injured soldiers after the Second Battle of Bull Run in 1862. The government returned the building to the congregation in 1863 and later reimbursed them $350 for use of the building.[1]
President John F. Kennedy and his family frequently worshiped at Holy Trinity; Kennedy is commemorated by a plaque in front of the church building. The parish is administered by the Jesuits.