William J. Quarter was an Irish American prelate of the Catholic Church. He was the first Bishop of Chicago (1844–1848).
Michael O'Connor, S.J. was an Irish-born prelate of the Roman Catholic Church in the United States and a member of the Society of Jesus. He served twice as bishop of the Diocese of Pittsburgh in Pennsylvania. O'Connor served briefly as bishop of the Diocese of Erie for several months in 1853.
John Joseph Williams was an American bishop of the Roman Catholic Church. He was the fourth Bishop and first Archbishop of the Archdiocese of Boston, serving between 1866 and his death in 1907.
John Bernard Fitzpatrick was an American bishop of the Roman Catholic Church. He served as Bishop of Boston from 1846 until his death in 1866.
The Diocese of Erie is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in western Pennsylvania in the United States. It is a suffragan diocese of the metropolitan Archdiocese of Philadelphia.
The Roman Catholic Diocese of Portsmouth is a Latin Church Roman Catholic diocese that covers the Channel Islands as well as parts of England. The episcopal see is St John's Cathedral in Portsmouth and is headed by the Bishop of Portsmouth. The diocese is part of the metropolitan Province of Southwark, which covers all of the far South of England as well as the Channel Islands.
Richard Phelan, D.D. was an Irish-born prelate of the Roman Catholic Church who served as the fourth bishop of the Diocese of Pittsburgh in Pennsylvania, in the United States from 1889 to 1904.
John Tuigg was an Irish-born prelate of the Roman Catholic Church. He served as the third bishop of the Diocese of Pittsburgh in Pennsylvania from 1876 to 1889.
John Mark Gannon was an American clergyman of the Roman Catholic Church. He served as Bishop of Erie from 1920 to 1966, and was given the personal title of Archbishop in 1953. He previously served as an auxiliary bishop of the same diocese from 1918 to 1920,
John Joseph O'Connor was an American prelate of the Catholic Church. He served as Bishop of Newark from 1901 until his death in 1927.
Henry Cosgrove was a late 19th-century and early 20th-century bishop of the Catholic Church in the United States. He served as the second bishop of Diocese of Davenport in Iowa from 1884 to until his death in 1906.
Thomas Albert Andrew Becker was an American prelate of the Roman Catholic Church. He served as the first bishop of the Diocese of Wilmington (1868–1886) and the sixth bishop of the Diocese of Savannah in Georgia (1886–1899).
Joseph Maria Koudelka was a Czech-born prelate of the Roman Catholic Church who served as the second bishop of the Diocese of Superior in Wisconsin from 1913 until his death in 1921.
Bernard O'Reilly was an Irish-born prelate of the Roman Catholic Church. Known for his service during the 1832 cholera outbreak in New York, he later served as Bishop of Hartford from 1850 until his death in 1856.
Edward Mary Fitzgerald was an Irish-born American prelate of the Roman Catholic Church. He served as bishop of the Diocese of Little Rock in Arkansas from 1867 until his death in 1907.
William O'Hara was an Irish-born American prelate of the Catholic Church. He was the first bishop of the Diocese of Scranton in Pennsylvania, serving from 1868 until his death in 1899. He founded St. Thomas College in 1888.
Eugene Augustine Garvey was an American prelate of the Catholic Church. He was the first Bishop of Altoona, serving from 1901 until his death in 1920.
John Edmund Fitzmaurice was an American prelate of the Roman Catholic Church who served as the fourth bishop of the Diocese of Erie in Pennsylvania (1899–1920).
St John's College was a Roman Catholic seminary founded in 1807 for the diocese of Waterford and Lismore.
James Maher(1840–1905) was an Irish-born Roman Catholic priest who served as Bishop of Port Augusta from 1896 until his death in 1905.
