Historedia
Person

John Carroll

Events
2
Episodes
7
Years
1783–1791

Every event in Historedia whose sources name John Carroll, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Creation of the Diocese of Baltimore

    1783–1791

    Role: First Roman Catholic bishop in the United States, appointed bishop of Baltimore on 6 November 1789

    1. November 1783 – November 1784 · See of the Prefecture Apostolic of the United StatesPetition for a Superior and the Prefecture Apostolic

      Maryland clergy petitioned the Vatican in 1783; Pius VI erected the Prefecture Apostolic of the United States in 1784, seated in Baltimore under Carroll.

    2. April 1789 · Location of the clergy vote not stated in sourcesMaryland Clergy Recommend Carroll

      In April 1789, the Maryland clergy voted 24 to 1 to recommend that the Vatican appoint John Carroll as the first bishop of Baltimore.

    3. 6 November 1789 · Diocese of BaltimoreDiocese of Baltimore Erected; Carroll Appointed Bishop

      On 6 November 1789, Pius VI appointed John Carroll bishop of Baltimore, elevating the prefecture into the first diocese solely within the United States.

    4. 15 August 1790 · Chapel of Lulworth Castle, DorsetConsecration of Carroll at Lulworth Castle

      Carroll was consecrated on 15 August 1790 in the chapel of Lulworth Castle in Dorset, assisted by Reverends Charles Plowden and James Porter.

    5. 1791 · Pro-cathedral, BaltimoreFirst Diocesan Synod in the United States

      In 1791, Carroll convened a synod in Baltimore, the first diocesan synod in American history, held at the pro-cathedral.

  2. Establishment of the Apostolic Prefecture of the United States

    1784–1785

    Role: Prefect Apostolic appointed by the Vatican; later first Catholic bishop in the United States

    1. 1784 (approximate; exact date unconfirmed) · seat of the Apostolic Prefecture of the United StatesEstablishment of the Apostolic Prefecture of the United States

      After independence, the Holy See reorganized American Catholic governance, appointing John Carroll as Prefect Apostolic to lead the church.

    2. 1785 · United StatesCarroll's 1785 Report on the American Church

      In 1785 John Carroll reported 24,000 registered communicants, 90% in Maryland and Pennsylvania, amid a Catholic population of about 25,000.

Sources

  1. John Carroll (archbishop of Baltimore) Wikipedia, revision of 2026-09-28
  2. Catholic Church in the United States Wikipedia, revision of 2026-09-29