He served as the ordinary of the Archdiocese of Baltimore , Maryland .
John Carroll SJ ( January 8 , 1735 -- December 3 , 1815 ) was a prelate of the Roman Catholic Church who served as the first bishop and archbishop in the United States .
John Carroll SJ served as the ordinary of the Archdiocese of Baltimore , Maryland .
John Carroll SJ ( January 8 , 1735 -- December 3 , 1815 ) was a prelate of the Roman Catholic Church who served as the first bishop and archbishop in the United States .