Catholic Dioceses
in
United States of America (USA)
Catholic DiocesesinUnited States of America (USA) | |
Former Jurisdiction | Type | Became |
| Alabama and the Floridas | Apostolic Vicariate | Now Metropolitan Archdiocese of Mobile |
| Alaska | Apostolic Vicariate | Now Diocese of Fairbanks |
| Alaska | Apostolic Prefecture | Now Diocese of Fairbanks |
| Alexandria Alexandrin(us) | Diocese | Now Diocese of Alexandria |
| Alexandria–Shreveport Alexandrin(us)–Sreveportuen(sis) | Diocese | Now Diocese of Alexandria |
| Allegheny Allghenen(sis) | Diocese | Now Diocese of Pittsburgh and Titular Episcopal See of Allegheny |
| Alton Altonen(sis) | Diocese | Now and Titular Episcopal See of Alton |
| Altoona Altunen(sis) | Diocese | Now Diocese of Altoona–Johnstown |
| Anchorage Ancoragien(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Anchorage–Juneau |
| Arizona | Apostolic Vicariate | Now Diocese of Tucson |
| Arizona | Apostolic Vicariate | Now Diocese of Tucson |
| Atlanta Atlanten(sis) | Diocese | Now Metropolitan Archdiocese of Atlanta |
| Baker City Bakerien(sis) | Diocese | Now Diocese of Baker |
| Baltimore Baltimoren(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Baltimore |
| Baltimore Baltimoren(sis) | Metr. Archdiocese | Now Metropolitan Archdiocese of Baltimore |
| Baltimore Baltimoren(sis) | Diocese | Now Metropolitan Archdiocese of Baltimore |
| Baltimore–Washington | Metr. Archdiocese | Now Metropolitan Archdiocese of Baltimore |
| Bardstown Barden(sis) | Diocese | Now and Titular Episcopal See of Bardstown |
| Belmont–Mary Help of Christians Beatissimæ Mariæ Auxiliatricis de Belmont | Abbacy nullius | Suppressed into Diocese of Charlotte |
| Belmont–Mary Help of Christians Beatissimæ Mariæ Auxiliatricis de Belmont | Abbacy nullius | Suppressed into Diocese of Charlotte |
| Belmont–Mary Help of Christians Beatissimæ Mariæ Auxiliatricis de Belmont | Abbacy nullius | Suppressed into Diocese of Charlotte |
| Boston Bostonien(sis) | Diocese | Now Metropolitan Archdiocese of Boston |
| Brownsville Brownsvillen(sis) | Apostolic Vicariate | Now |
| California Californien(sis) | Diocese | Now and Titular Episcopal See of California |
| Chicago Chicagien(sis) | Diocese | Now Metropolitan Archdiocese of Chicago |
| Cincinnati Cincinnaten(sis) | Diocese | Now Metropolitan Archdiocese of Cincinnati |
| Colorado | Apostolic Vicariate | Now Metropolitan Archdiocese of Denver |
| Colorado and Utah | Apostolic Vicariate | Now Metropolitan Archdiocese of Denver |
| Concordia Concordien(sis) in America | Diocese | Now and Titular Episcopal See of Concordia |
| Dakota | Apostolic Vicariate | Now Diocese of Sioux Falls |
| Dallas | Diocese | Now Diocese of Dallas |
| Dallas–Fort Worth Dallasensis–Arcis-Vorthen(sis) | Diocese | Now Diocese of Dallas |
| Denver Denverien(sis) | Diocese | Now Metropolitan Archdiocese of Denver |
| Detroit Detroiten(sis) | Diocese | Now Metropolitan Archdiocese of Detroit |
| Dubuque Dubuquen(sis) | Diocese | Now Metropolitan Archdiocese of Dubuque |
| Florida | Apostolic Vicariate | Now Diocese of Saint Augustine |
| Fort Wayne Vayne Castren(sis) | Diocese | Now Diocese of Fort Wayne–South Bend |
| Galveston | Diocese | Now Metropolitan Archdiocese of Galveston–Houston |
| Galveston–Houston Galvestonien(sis)–Houstonien(sis) | Diocese | Now Metropolitan Archdiocese of Galveston–Houston |
| Grass Valley Vallispraten(sis) | Diocese | Now and Titular Episcopal See of Grass Valley |
| Great Falls Magnocataracten(sis) | Diocese | Now Diocese of Great Falls–Billings |
| Hartford Hartfortien(sis) | Diocese | Now Metropolitan Archdiocese of Hartford |
| Hawaiian Islands | Apostolic Vicariate | Now Diocese of Honolulu |
| Idaho | Apostolic Vicariate | Now Diocese of Boise City |
| Idaho | Apostolic Vicariate | Now Diocese of Boise City |
| Idaho and Montana | Apostolic Vicariate | Now Diocese of Boise City |
| Indian Territory | Apostolic Vicariate | Now Metropolitan Archdiocese of Oklahoma City |
| Indian Territory | Apostolic Prefecture | Now Metropolitan Archdiocese of Oklahoma City |
| Indian Territory East of the Rocky Mountains | Apostolic Vicariate | Now and Titular Episcopal See of Leavenworth |
| Indianapolis Indianapolitan(us) | Diocese | Now Metropolitan Archdiocese of Indianapolis |
| Jamestown Iacobolitan(us) | Diocese | Now and Titular Episcopal See of Jamestown |
| Juneau Iunellen(sis) | Diocese | Suppressed into Metropolitan Archdiocese of Anchorage–Juneau |
| Kansas | Apostolic Vicariate | Now and Titular Episcopal See of Leavenworth |
| Kansas City Kansanopolitan(us) | Diocese | Now Diocese of Kansas City–Saint Joseph |
| Kansas City / Kansas City in Kansas Kansanopolitan(us) in Kansas | Diocese | Now Metropolitan Archdiocese of Kansas City |
| Kansas City, Kansas Civitatis Kansas | Diocese | Now and Titular Episcopal See of Leavenworth |
| Kearney Kearnien(sis) | Diocese | Now and Titular Episcopal See of Kearney |
| Las Vegas Campen(sis) | Diocese | Now Metropolitan Archdiocese of Las Vegas |
| Lead Leaden(sis) | Diocese | Now and Titular Episcopal See of Lead |
| Leavenworth Leavenworthen(sis) | Diocese | Now and Titular Episcopal See of Leavenworth |
| Leavenworth Leavenworthen(sis) | Diocese | Now and Titular Episcopal See of Leavenworth |
| Los Angeles–San Diego | Diocese | Now Metropolitan Archdiocese of Los Angeles |
| Louisiana | Diocese | Now Metropolitan Archdiocese of New Orleans |
| Louisiana and the Two Floridas / Saint Louis of New Orleans | Diocese | Now Metropolitan Archdiocese of New Orleans |
| Louisiana and the Two Floridas / Saint Louis of New Orleans | Diocese | Now Metropolitan Archdiocese of New Orleans |
| Louisville Ludovicopolitan(us) | Diocese | Now Metropolitan Archdiocese of Louisville |
| Marysville | Apostolic Vicariate | Now and Titular Episcopal See of Grass Valley |
| Miami Miamien(sis) | Diocese | Now Metropolitan Archdiocese of Miami |
| Milwaukee Milvaukien(sis) | Diocese | Now Metropolitan Archdiocese of Milwaukee |
| Mississippi | Apostolic Vicariate | Now and Titular Episcopal See of Natchez |
| Mississippi and Alabama | Apostolic Vicariate | Now and Titular Episcopal See of Natchez |
| Mobile Mobilen(sis) | Diocese | Now Metropolitan Archdiocese of Mobile |
| Mobile | Diocese | Now Metropolitan Archdiocese of Mobile |
| Mobile–Birmingham Mobilien(sis)–Birminghamien(sis) | Diocese | Now Metropolitan Archdiocese of Mobile |
| Mobile–Birmingham Mobilien(sis)–Birminghamien(sis) | Diocese | Now Metropolitan Archdiocese of Mobile |
| Montana | Apostolic Vicariate | Now Diocese of Helena |
| Monterey | Diocese | Now Diocese of Monterey |
| Monterey | Diocese | Now Diocese of Monterey |
| Monterey–Fresno | Diocese | Now Diocese of Monterey |
| Monterey–Los Angeles | Diocese | Now Diocese of Monterey |
| Munhall (Ruthenian Rite) Munhallen(sis) Ruthenorum | Metropolitanate | Now Metropolitanate sui juris of Pittsburgh |
| Natchez Natcheten(sis) | Diocese | Now and Titular Episcopal See of Natchez |
| Natchez–Jackson Natcheten(sis)–Iacksonien(sis) | Diocese | Now and Titular Episcopal See of Natchez |
| Natchitoches Natchitochen(sis) | Diocese | Now and Titular Episcopal See of Natchitoches |
| Nebraska | Apostolic Vicariate | Now Metropolitan Archdiocese of Omaha |
| Nesqually Nesqualien(sis) | Diocese | Now and Titular Episcopal See of Nesqually |
| New Mexico | Apostolic Vicariate | Now Metropolitan Archdiocese of Santa Fe |
| New Orleans Novæ Aureliæ | Diocese | Now Metropolitan Archdiocese of New Orleans |
| New York Neo-Eboracen(sis) | Diocese | Now Metropolitan Archdiocese of New York |
| Newark Novarcen(sis) | Diocese | Now Metropolitan Archdiocese of Newark |
| North Carolina | Apostolic Vicariate | Now Diocese of Raleigh |
| Northern Minnesota | Apostolic Vicariate | Now Diocese of Saint Cloud |
| Oklahoma Oklahomen(sis) | Diocese | Now Metropolitan Archdiocese of Oklahoma City |
| Oklahoma City–Tulsa Oklahomapolitana–Tulsen(sis) | Diocese | Now Metropolitan Archdiocese of Oklahoma City |
| Omaha Omahen(sis) | Diocese | Now Metropolitan Archdiocese of Omaha |
| Oregon | Apostolic Vicariate | Now and Titular Metropolitan See of Oregon City |
| Oregon City Oregonopolitan(us) | Metr. Archdiocese | Now and Titular Metropolitan See of Oregon City |
| Our Lady of Deliverance of Newark (Syriac Rite) Dominæ Nestræ Liberationis Novarcen(sis) Syrorum | Diocese | Now Diocese of Our Lady of Deliverance in the United States |
| Our Lady of Nareg in New York (Armenian Rite) Dominæ Nostræ Naregen(sis) | Diocese | Now Diocese of Our Lady of Nareg in Glendale |
| Philadelphia Philadelphien(sis) Latinorum | Diocese | Now Metropolitan Archdiocese of Philadelphia |
| Pittsburgh (Ruthenian Rite) Pittsburgen(sis) Ruthenorum | Diocese | Now Metropolitanate sui juris of Pittsburgh |
| Quincy Quincien(sis) | Diocese | Now and Titular Episcopal See of Quincy |
| Reno | Diocese | Now Diocese of Reno |
| Reno–Las Vegas Renen(sis)–Campen(sis) | Diocese | Now Diocese of Reno |
| Saint Joseph Sancti Josephi | Diocese | Suppressed into Diocese of Kansas City–Saint Joseph |
| Saint Louis Sancti Ludovici | Diocese | Now Metropolitan Archdiocese of Saint Louis |
| Saint Maron of Detroit (Maronite Rite) Sancti Matoniti Detroiten(sis) | Diocese | Now Diocese of Saint Maron of Brooklyn |
| Saint Paul Sancti Pauli de Minnesota | Metr. Archdiocese | Now Metropolitan Archdiocese of Saint Paul and Minneapolis |
| Saint Paul Sancti Pauli de Minnesota | Diocese | Now Metropolitan Archdiocese of Saint Paul and Minneapolis |
| Salt Lake Lacus Salsi | Diocese | Now Diocese of Salt Lake City |
| San Antonio Sancti Antonii | Diocese | Now Metropolitan Archdiocese of San Antonio |
| Sandwich Islands Sandwigien(sis) in Oceania | Apostolic Vicariate | Now Diocese of Honolulu |
| Sandwich Islands Sandwigien(sis) in Oceania | Apostolic Prefecture | Now Diocese of Honolulu |
| Santa Fe Sanctæ Fidei in America Septentrionali | Diocese | Now Metropolitan Archdiocese of Santa Fe |
| Sault Sainte Marie Marianopolitan(us) | Diocese | Now and Titular Episcopal See of Sault Sainte Marie in Michigan |
| Sault Sainte Marie–Marquette | Diocese | Now and Titular Episcopal See of Sault Sainte Marie in Michigan |
| Savannah Savannen(sis) | Diocese | Now Diocese of Savannah |
| Savannah–Atlanta Savannen(sis)–Atlanten(sis) | Diocese | Now Diocese of Savannah |
| Seattle Seattlen(sis) | Diocese | Now Metropolitan Archdiocese of Seattle |
| Stamford (Ukrainian Rite) Stanforden(sis) Ucrainorum | Apostolic Exarchate | Now Diocese of Stamford |
| Texas | Apostolic Vicariate | Now Metropolitan Archdiocese of Galveston–Houston |
| Texas | Apostolic Prefecture | Now Metropolitan Archdiocese of Galveston–Houston |
| United States of America (Chaldean Rite) | Apostolic Exarchate | Now Diocese of Saint Thomas the Apostle of Detroit |
| United States of America (Maronite Rite) Fœderatarum Civitatum Americæ Septemtrionalis | Apostolic Exarchate | Now Diocese of Saint Maron of Brooklyn |
| United States of America (Romanian Rite) | Apostolic Exarchate | Now Diocese of Saint George’s in Canton |
| United States of America (Syro-Malankara Rite) Fœderatarum Civitatum Americæ Septentrionalis | Apostolic Exarchate | Now Diocese of Saint Mary, Queen of Peace, of the United States of America and Canada |
| United States of America (Ruthenian Rite) Fœderatarum Civitatum Americæ Septemtrionalis | Apostolic Exarchate | Now Metropolitanate sui juris of Pittsburgh |
| United States of America (Ukrainian Rite) | Apostolic Exarchate | Now Metropolitan Archdiocese of Philadelphia |
| United States of America (Greek-Melkite Rite) | Apostolic Exarchate | Now Diocese of Newton |
| United States of America (Ukrainian Rite) | Ordinariate | Now Metropolitan Archdiocese of Philadelphia |
| United States of America Fœderatarum Civitatum Americæ Septemtrionalis | Military Vicariate | Now Military Ordinariate of Archdiocese for the Military Services of the United States |
| United States of America Fœderatarum Civitatum Americæ Septemtrionalis | Apostolic Prefecture | Now Metropolitan Archdiocese of Baltimore |
| United States of America and Canada (Armenian Rite) Feoderatarum Civitatum Americæ Septemtrionalis et Canada | Apostolic Exarchate | Now Diocese of Our Lady of Nareg in Glendale |
| Upper Michigan | Apostolic Vicariate | Now and Titular Episcopal See of Sault Sainte Marie in Michigan |
| Utah | Apostolic Vicariate | Now Diocese of Salt Lake City |
| Van Nuys (Ruthenian Rite) Vannaisen(sis) | Diocese | Now Diocese of Holy Protection of Mary of Phoenix |
| Vincennes Vincennapolitan(us) | Diocese | Now and Titular Episcopal See of Vincennes |
| Walla Walla Valle-Vallien(sis) | Diocese | Now Titular Episcopal See of Nesqually and Titular Episcopal See of Walla Walla |
| Washington Vashingtonen(sis) | Archdiocese | Now Metropolitan Archdiocese of Washington |
| Wheeling Vhelingen(sis) | Diocese | Now Diocese of Wheeling–Charleston |
| Winona Vinonaën(sis) | Diocese | Now Diocese of Winona–Rochester |
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