The Priory in the United States of America is one of the establishments of the Most Venerable Order of the Hospital of Saint John of Jerusalem.

The main purpose of the Priory is to provide for the financial support of the St John of Jerusalem Eye Hospital Group.

The predecessor of the Most Venerable Order of the Hospital of Saint John of Jerusalem has long been in the United States of America.

In the 1870s, Bishop Charles Todd Quintard of Tennessee had been made a Chaplain of what was then called the Order of Saint John of Jerusalem in England.

[2] The number of members of the Order in the United States remained small even after a Royal Charter was granted by Queen Victoria in 1888.

[3] Before 1960, the membership included Fanny Hanna Moore, Douglas Fairbanks, Jr, Edward Nason West, and Grayson L.

On May 11, 1996, the Priory in the USA was formally established at a ceremony National Cathedral in Washington attended by HRH Prince Richard, Duke of Gloucester.

[6] Since its establishment, the Priory in the USA has "raised millions of dollars over the years to support the work of St John of Jerusalem Eye Hospital, its hospital in Hebron, satellite eye clinics in Gaza and the West Bank, and mobile outreach, training, teaching and research programs.

[9] There are also several national officers of the Priory including the chancellor, four vice-chancellors, a sub-prelate, a treasurer, a secretary, a hospitaller, a historiographer, and a genealogist.