Chronology of Catholic Dioceses:The United States of America

See a list of abbreviations used in this list. See also our listing of current ecclesial jurisdictions.

Regarding the Apostolic Prefecture of the United States of America:
1622
England (AV, establised by the "Propaganda Fide" in Rome) - England
1688
London District of England (AV, new name, previously England AV) - England
Regarding New Orleans, Saint Louis, California, Texas, New Mexico:
0040-0100~
Italica - Spain
0200-0300
Sevilla (detached from Italica?) - Spain
0300-0400
Sevilla (Metr.) - Spain
1511
Santo Domingo (established from Spain/Sevilla) - Dominican Republic
1518
Carolense / Yucatan (established from Spain/Sevilla) - Mexico
1522
Santiago de Cuba (detached from Santo Domingo) - Cuba
1525
Tlaxcala (established from Yucatan) - Mexico
1530
México (detached from Tlaxcala) - Mexico
1536
Michoacán (detached from México) - Mexico
1548
Guadalajara (detached from Michoacán) - Mexico
1620
Durango (detached from Guadalajara) - Mexico
1777
Linares / Nueva León (detached from Michoacán) - Mexico
1779
Sonora (detached from Durango) - Mexico
1787
San Cristóbal de la Habana, Louisiana y las Floridas (detached from Santiago de Cuba) - Cuba
Regarding Oregon:
1658
New France (AV, established by Rome, detached from the spiritual care of Rouen) - Canada
1674
Québec (D, and new name, previously New France AV) - Canada
1819
Québec (Metr.) - Canada

1784
United States of America (AP, detached from London District of England AV) - USA
1789
Baltimore (D, and new name, previously United States of America AP) - USA
1793
New Orleans / Saint Louis of New Orleans / Louisiana and the Floridas (detached from San Cristóbal de la Habana, Louisiana y las Floridas) - (Spanish Louisiana and the Floridas) USA
1808
Baltimore (Metr.) - USA
1808
Bardstown (detached from Baltimore) - USA
1808
Boston (detached from Baltimore) - USA
1808
New York (detached from Baltimore) - USA
1808
Philadelphia (detached from Baltimore) - USA
1820
Charleston (detached from Baltimore) - USA
1820
Richmond (detached from Baltimore) - USA
1821
Cincinnati (detached from Bardstown) - USA
1822
Mississippi and Alabama (AV, detached from New Orleans) - USA
1824
Mississippi and Alabama (suppressed) - USA
1825
Alabama and the Floridas (AV, detached from Louisiana and the Floridas / Saint Louis of New Orleans, and from Baltimore) - USA
1825
Sandwich Islands (AP) - Sandwich Islands (USA)
1826
Mississippi (AV, detached from New Orleans) - USA
1826
Saint Louis (detached from New Orleans, and from Durango) - USA
1829
Mobile (D, and new name, previously Alabama and the Floridas [AV]) - USA
1833
Detroit (detached from Cincinnati) - USA
1833
Sandwich Islands (AP, subjected to, but not incorporated in, the AV Eastern Oceania) - Various territories in the Pacific
1834
Vincennes (detached from Bardstown) - USA
1837
Dubuque (detached from Saint Louis) - USA
1837
Nashville (detached from Bardstown) - USA
1837
Natchez (D, and new name, previously Mississippi [AV])- USA
1840
California (detached from Sonora) - (Mexico) USA
1841
Louisville (new name, previously Bardstown) - USA
1842
Texas (AV, detached from Linares / Nuevo León) - USA
1843
Chicago (detached from Saint Louis) - USA
1843
Hartford (detached from Boston) - USA
1843
Little Rock (detached from Saint Louis) - USA
1843
Milwaukee (detached from Detroit) - USA
1843
Oregon (AV, established from Baltimore, and from Québec) - USA, Canada
1843
Pittsburgh (detached from Philadelphia) - USA
1844
Sandwich Islands (AV, and made fully independent from the AV Eastern Oceania) - USA
1846
Oregon City (Metr., and new name, previously Oregon [AV]) - USA
1846
Walla Walla (detached from Oregon [AV]) - USA
1847
Saint Louis (Metr., was part of the Metropolitan Province of Baltimore) - USA
1847
Albany (detached from New York) - USA
1847
Buffalo (detached from New York) - USA
1847
Cleveland (detached from Cincinnati) - USA
1847
Galveston (D, and new name, previously Texas [AV])- USA
1848
Hawaiian Islands (AV, new name, previously Sandwich Islands AV) - USA
1849
Monterey (new name, previously California) - USA
1850
Cincinnati (Metr., was part of the Metropolitan Province of Baltimore) - USA
1850
New Orleans (Metr., was immediately subject to the Apostolic See) - USA
1850
New York (Metr., was part of the Metropolitan Province of Baltimore) - USA
1850
Walla Walla (suppressed, territory to newly erected Nesqually) - USA
1850
Nesqually (D, with territory from the suppressed diocese of Walla Walla) - USA
1850
Saint Paul (detached from Dubuque, and from Milwaukee)- USA
1850
New Mexico (AV, detached from Durango) - USA
1850
Savannah (detached from Charleston, and from Mobile) - USA
1850
Wheeling (detached from Richmond) - USA
1851
Indian Territory east of the Rocky Mountains (AV, detached from Saint Louis) - USA
1853
Brooklyn (detached from New York) - USA
1853
Burlington (detached from Boston) - USA
1853
Covington (detached from Louisville) - USA
1853
Erie (detached from Pittsburgh) - USA
1853
Natchitoches (detached from New Orleans) - USA
1853
Newark (detached from New York, and from Philadelphia) - USA
1853
Portland (detached from Boston) - USA
1853
Quincy (detached from Saint Louis) - USA
1853
Santa Fe (D, and new name, previously New Mexico AV) - USA
1853
Upper Michigan (AV, detached from Detroit) - USA
1853
San Francisco (Metr., detached from Monterey, which was until then part of the Metropolitan Province of Mexico) - USA
1857
Alton (new name, previously Quincy) - USA
1857
Sault Sainte Marie and Marquette (D, and new name, previously Upper Michigan [AV])- USA
1857
Fort Wayne (detached from Vincennes) - USA
1857
Kansas (AV, new name, previously the Indian Territory east of the Rocky Mountains [AV]) - USA
1857
Nebraska (AV, detached from the Indian Territory east of the Rocky Mountains [AV]) - USA
1858
Idaho and Montana (AV, detached from Oregon City) - USA
1859
Monterey-Los Angeles (new name, previously Monterey) - USA
1860
Marysville (AV, detached from San Francisco) - USA
1868
Arizona (AV, detached from Santa Fe) - USA
1868
Colorado and Utah (AV, detached from Santa Fe) - USA
1868
Columbus (detached from Cincinnati) - USA
1868
Grass Valley (D, and new name, previously Marysville [AV]) - USA
1868
Green Bay (detached from Milwaukee) - USA
1868
Harrisburg (detached from Philadelphia) - USA
1868
La Crosse (detached from Milwaukee) - USA
1868
North Carolina (AV, detached from Charleston) - USA
1868
Rochester / Rochester in America (detached from Buffalo) - USA
1868
Saint Joseph (detached from Saint Louis) - USA
1868
Scranton (detached from Philadelphia) - USA
1868
Wilmington (detached from Philadelphia, and from Baltimore)- USA
1870
Colorado (AV, new name, previously Colorado and Utah) - USA
1870
Saint Augustine (detached from Savannah) - USA
1870
Springfield in Massachusetts (detached from Boston) - USA
1872
Ogdensburg (detached from Albany) - USA
1872
Providence (detached from Hartford) - USA
1874
Brownsville (AV, detached from Galveston) - USA
1874
San Antonio (detached from Galveston) - USA
1875
Boston (Metr., was part of the Metropolitan Province of New York) - USA
1875
Milwaukee (Metr., was part of the Metropolitan Province of Saint Louis) - USA
1875
Philadelphia (Metr., was part of the Metropolitan Province of Baltimore) - USA
1875
Santa Fe (Metr., was part of the Metropolitan Province of Saint Louis) - USA
1875
Northern Minnesota (AV, detached from Saint Paul) - USA
1875
Peoria (detached from Chicago) - USA
1876
Allegheny (detached from Pittsburgh) - USA
1877
Leavenworth (D, and new name, previously Kansas [AV]) - USA
1879
Dakota (AV, detached from Saint Paul) - USA
1880
Chicago (Metr., was part of the Metropolitan Province of Saint Louis) - USA
1880
Kansas City (detached from Saint Louis) - USA
1881
Davenport (detached from Dubuque) - USA
1881
Trenton (detached from Newark) - USA
1882
Grand Rapids (detached from Detroit) - USA
1883
Idaho (AV, new name, previously Idaho and Montana [AV]) - USA
1883
Montana (AV, detached from Idaho and Montana [AV], and from Nebraska [AV]) - USA
1884
Helena (D, and new name, previously Montana [AV]) - USA
1884
Manchester (detached from Portland) - USA
1885
Omaha (D, previously Nebraska [AV]) - USA
1886
Grass Valley (abolished, territory to newly erected Sacramento) - USA
1886
Sacramento (D, territory from Grass Valley, and from San Francisco) - USA
1886
Syracuse (detached from Albany) - USA
1887
Belleville (detached from Alton) - USA
1887
Cheyenne (detached from Omaha) - USA
1887
Concordia (detached from Leavenworth) - USA
1887
Denver (D, and new name, previously Colorado [AV])- USA
1887
Lincoln (detached from Omaha) - USA
1887
Utah (AV, detached from San Francisco) - USA
1887
Wichita (detached from Leavenworth) - USA
1888
Saint Paul (Metr.) - USA
1889
Allegheny (suppressed, territories incorporated in Pittsburgh) - USA
1889
Duluth (D, detached from North Minnesota [AV]) - USA
1889
Jamestown (D, detached from Dakota [AV]) - USA
1889
Saint Cloud (D, and new name, previously North Minnesota [AV]) - USA
1889
Sioux Falls (D, and new name, previously Dakota [AV])- USA
1889
Winona (detached from Saint Paul) - USA
1890
Dallas (detached from Galveston) - USA
1891
Indian Territory (AV, detached from Little Rock) - USA
1891
Salt Lake (D, and new name, previously Utah [AV]) - USA
1893
Dubuque (Metr., was part of the Metropolitan Province of Saint Louis) - USA
1893
Boise City (D, and new name, previously Idaho [AV])- USA
1894
Alaska (AP, detached from Vancouver Island / Victoria) - USA
1897
Fargo (new name, previously Jamestown) - USA
1897
Tucson (D, and new name, previously Arizona [AV]) - USA
1898
Indianapolis (new name, previously Vincennes) - USA
1901
Altoona (detached from Harrisburg, and from Pittsburgh) - USA
1902
Lead (detached from Sioux Falls) - USA
1902
Sioux City (detached from Dubuque) - USA
1903
Baker City (detached from Oregon City) - USA
1904
Fall River (detached from Providence) - USA
1904
Great Falls (detached from Helena) - USA
1905
Oklahoma City (D, and new name, previously Indian Territory [AV]) - USA
1905
Superior (detached from La Crosse, and from Green Bay) - USA
1907
Seattle (new name, previously Nesqually) - USA
1908
Rockford (detached from Chicago) - USA
1909
Bismarck (detached from Fargo) - USA
1909
Crookston (detached from Duluth) - USA
1910
Alexandria (new name, previously Natchitoches) - USA
1910
Mary, Help of Christians - Belmont (Abb., detached from North Carolina AV) - USA
1910
Toledo (detached from Cleveland) - USA
1911
Des Moines (detached from Davenport) - USA
1912
Corpus Christi (D, previously Brownsville, VA) - USA
1912
Kearney (detached from Omaha) - USA
1913
Philadelphia [Ukr.] (Ord.) - USA
1913
Spokane (detached from Seattle) - USA
1914
El Paso (detached from Tucson, from Dallas, and from San Antonio) - USA
1916
Alaska (AV) - USA
1917
Grand Island (new name, previously Kearney) - USA
1918
Lafayette (detached from New Orleans) - USA
1922
Monterey-Fresno (new name, previously Monterey-Los Angeles) - USA
1922
Los Angeles-San Diego (detached from Monterey-Los Angeles) - USA
1923
Springfield in Illinois (new name, previously Alton) - USA
1924
Philadelphia [Ukr.] (Ap.Ex.) - USA
1924
Pittsburgh (Ruth./Byz.) (Ap.Ex.) / Apostolic Exarchate for faithful of the Byzantine Rite from Podcarpazia - USA
1924
Raleigh (D, and new name, previously North Carolina [AV]) - USA
1926
San Antonio (Metr., was part of the Metropolitan Province of New Orleans) - USA
1926
Amarillo (detached from San Antonio, and from Dallas) - USA
1928
Portland in Oregon (Metr., new name, previously Oregon City Metr.) - USA
1930
Oklahoma City-Tulsa (new name, previously Oklahoma City) - USA
1930
Rapid City (new name, previously Lead) - USA
1931
Reno (detached from Salt Lake, and from Sacramento) - USA
1936
Los Angeles (Metr., and new name, previously Los Angeles-San Diego, was part of the Metropolitan Province of San Francisco) - USA
1936
San Diego (detached from Los Angeles-San Diego) - USA
1937
Camden (detached from Trenton) - USA
1937
Detroit (Metr., was part of the Metropolitan Province of Cincinnati) - USA
1937
Lansing (detached from Detroit) - USA
1937
Louisville (Metr., had been part of the Metropolitan Province of Cincinnati) - USA
1937
Marquette (new name, previously Sault Sainte Marie and Marquette) - USA
1937
Newark (Metr., detached from the Metropolitan Province of New York) - USA
1937
Owensboro (detached from Louisville) - USA
1937
Paterson (detached from Newark) - USA
1937
Savannah-Atlanta (new name, previously Savannah) - USA
1938
Saginaw (detached from Detroit, and from Grand Rapids) - USA
1939
Baltimore and Washington (Baltimore (Metr.), united to now erected AD of Washington) - USA
1939
Gallup (detached from Santa Fe, and from Tucson) - USA
1941
Denver (Metr., was part of the Metropolitan Province of Santa Fe) - USA
1941
Honolulu (D, and new name, previously Hawaiian Islands AV) - USA
1941
Pueblo (detached from Denver) - USA
1943
Youngstown (detached from Cleveland) - USA
1944
Indianapolis (Metr., was part of the Metropolitan Province of Cincinnati) - USA
1944
Salina (new name, previously Concordia) - USA
1944
Evansville (detached from Indianapolis) - USA
1944
Lafayette in Indiana (detached from Fort Wayne) - USA
1944
Steubenville (detached from Columbus) - USA
1945
Omaha (Metr., was part of the Metropolitan Province of Dubuque) - USA
1945
Madison (detached from Milwaukee, from La Crosse, and from Green Bay) - USA
1947
Baltimore (Metr., previously Baltimore and Washington) - USA
1947
Kansas City in Kansas (new name, previously Leavenworth) - USA
1947
Austin (detached from San Antonio, from Galveston, and from Dallas) - USA
1947
Washington (AD, detached from Baltimore and Washington, was part of the Metropolitan Province of Baltimore and Washington) - USA
1948
Joliet in Illinois (detached from Chicago, from Peoria, and from Rockford) - USA
1950
Worcester (detached from Springfield) - USA
1951
Salt Lake City (new name, previously Salt Lake) - USA
1951
Seattle (Metr., was part of the Metropolitan Province of Portland in Oregon) - USA
1951
Dodge City (detached from Wichita) - USA
1951
Greensburg (detached from Pittsburg) - USA
1951
Juneau (D, detached Alaska [AV]) - USA
1951
Yakima (detached from Seattle, and from Spokane) - USA
1952
Baker (new name, previously Baker City) - USA
1952
Kansas City in Kansas (Metr., was part of the Metropolitan Province of Saint Louis) - USA
1953
Dallas-Fort Worth (new name, previously Dallas) - USA
1953
Hartford (Metr., was part of the Metropolitan Province of Boston) - USA
1953
Bridgeport (detached from Hartford) - USA
1953
Norwich (detached from Hartford) - USA
1954
Mobile and Birmingham (new name, previously Mobile) - USA
1956
Gary (detached from Fort Wayne) - USA
1956
Jefferson City (detached from Saint Louis, Kansas City, and from Saint Joseph) - USA
1956
Kansas City-Saint Joseph (union of two dioceses: Kansas City, and Saint Joseph) - USA
1956
Natchez-Jackson (new name, previously Natchez) - USA
1956
Atlanta (detached from Savannah-Atlanta) - USA
1956
Savannah (new name, previously Savannah-Atlanta) - USA
1956
Springfield-Cape Girardeau (detached from Saint Louis, and from Kansas City) - USA
1956
Stamford [Ukr.] (Ap.Ex.) (detached from Philadelphia [Ucr.]) USA
1957
Altoona-Johnstown (new name, previously Altoona) - USA
1957
New Ulm (detached from Saint Paul) - USA
1957
Rockville Centre (detached from Brooklyn) - USA
1957
United States of America (Mil.Ord.) - USA
1958
Philadelphia [Ukr.] (Metr.) - USA
1958
Stamford [Ukr.] - USA
1958
Miami (detached from Saint Augustin) - USA
1959
Galveston-Houston (new name, previously Galveston) - USA
1960
Fort Wayne-South Bend (new name, previously Fort Wayne) - USA
1961
Allentown (detached from Philadelphia) - USA
1961
Baton Rouge (detached from New Orleans) - USA
1961
Saint Nicholas of Chicago [Ukr.] (detached from Philadelphia [Ukr.]) - USA
1961
San Angelo (detached from Amarillo, from Dallas-Fort Worth, from Austin, and from El Paso) - USA
1962
Atlanta (Metr., was part of the Metropolitan Province of Baltimore) - USA
1962
Fairbanks (D, and new name, previously Alaska AV) - USA
1962
Oakland (detached from San Francisco) - USA
1962
Santa Rosa (detached from San Francisco) - USA
1962
Stockton (detached from San Francisco, Sacramento) - USA
1963
Pittsburgh [Ruth./Byz.] (D, and new name, previously The Apostolic Exarchate for faithful of the Byzantine Rite from Podcarpazia) - USA
1963
Passaic [Ruth.] (detached from the Ap. Ex. for faithful of the Byzantine Rite from Podcarpazia] - USA
1965
Washington (Metr., previously AD) - USA
1965
Brownsville (detached from Corpus Christi) - USA
1966
Saint Paul and Minneapolis (Metr., new name, previously Saint Paul Metr.) - USA
1966
Anchorage (Metr., detached from Juneau, which was until then part of the Metropolitan Province of Seattle) - USA
1966
Beaumont (detached from Galveston-Houston) - USA
1966
United States of America [Mar.] (Ap.Ex.) - USA
1966
United States of America [Gr.-Melk.] (Ap.Ex.) - USA
1967
Monterey (new name, previously Monterey-Fresno) - USA
1967
Fresno (detached from Monterey-Fresno) - USA
1968
Miami (Metr., had been part of the Metropolitan Province of Atlanta) - USA
1968
Orlando (detached from Saint Augustine, and from Miami) - USA
1968
Saint Petersburg (detached from Saint Augustine, and from Miami) - USA
1969
Birmingham (detached from Mobile and Birmingham) - USA
1969
Dallas (sep. and new name, previously Dallas-Fort Worth) - USA
1969
Mobile (Birmingham detached) - USA
1969
Munhall [Byz.] (Metr., new name, previously Pittsburgh D) - USA
1969
Fort Worth (detached from Dallas) - USA
1969
Parma [Ruth.] (detached from Pittburgh) - USA
1969
Phoenix (detached from Tucson) - USA
1970
Gaylord (detached from Grand Rapids, and from Saginaw) - USA
1970
Kalamazoo (detached from Grand Rapids, and from Lansing) - USA
1970
Memphis (detached from Nashville) - USA
1971
Saint Maron of Detroit [Mar.] (D, new name, previously United States of America Ap.Ex.) - USA
1971
Charlotte (detached from Raleigh) - USA
1972
Oklahoma City (Metr., and new name, previously Oklahoma City-Tulsa, was part of the Metropolitan Province of San Antonio) - USA
1972
Tulsa (detached from Oklahoma City) - USA
1974
Wheeling-Charleston (new name, previously Wheeling) - USA
1974
Arlington (detached from Richmond) - USA
1975
Pensacola-Tallahassee (detached from Mobile, and from Saint Augustine) - USA
1976
Alexandria-Shreveport (new name, previously Alexandria) - USA
1976
Our Lady of the Annunciation in Boston [Gr.-Melk.] (D, and new name, previously United States of America Ap.Ex.) - USA
1976
Reno-Las Vegas (new name, previously Reno) - USA
1976
Orange in California (detached from Los Angeles) - USA
1977
Jackson (new name, previously Natchez-Jackson) - USA
1977
Mary, Help of Christians - Belmont (Abb., incorporated in Charlotte) - USA
1977
Newton [Gr.-Melk.] (new name, previously Our Lady of the Annunciation in Boston) - USA
1977
Pittsburgh [Byz.] (Metr., new name, previously Munhall Metr.) - USA
1977
Saint Maron of Brooklyn [Mar.] (new name, previously St. Maron of Detroit) - USA
1977
Biloxi (detached from Natchez-Jackson) - USA
1977
Houma-Thibodaux (detached from New Orleans) - USA
1977
Newton [Gr.-Melk.] (new name, previously Our Lady of the Annunciation in Boston) - USA
1978
San Bernardino (detached from San Diego) - USA
1980
Great Falls-Billings (new name, previously Great Falls) - USA
1980
Mobile (Metr., was part of the Metropolitan Province of New Orleans) - USA
1980
Lake Charles (detached from Lafayette) - USA
1981
Metuchen (detached from Trenton) - USA
1981
San Jose in California (detached from San Francisco) - USA
1981
United States and Canada [Arm.] (Ap.Ex.) - USA
1981
Van Nuys [Ruth.] (detached from Parma) - USA
1982
Las Cruces (detached from El Paso, and from Santa Fe) - USA
1982
United States of America [Cald.] (Ap.Ex.) - USA
1982
United States of America [Rom.-Byz.] (Ap.Ex.) - USA
1982
Victoria in Texas (detached from San Antonio, from Galveston-Houston, and from Corpus Christi) - USA
1983
Colorado Springs (detached from Denver, and from Pueblo) - USA
1983
Lubbock (detached from Amarillo, and from San Angelo) - USA
1983
Saint Josaphat in Parma [Ukr.] (detached from Philadelphia [Ukr.]) - USA
1984
Palm Beach (detached from Miami, and from Orlando) - USA
1984
Venice (detached from Miami, from Orlando, and from Saint Petersburg) - USA
1985
Saint Thomas the Apostle of Detroit [Cald.](D, previously United States of America Ap.Ex.) - USA
1986
Alexandria (new name, previously Alexandria-Shreveport) - USA
1986
Shreveport (detached from Alexandria-Shreveport) - USA
1986
Tyler (detached from Dallas, from Beaumont, and from Galveston-Houston) - USA
1987
Saint George's in Canton [Rom.-Byz.] (new name, previously United States of America Ap.Ex.) - USA
1988
Knoxville (detached from Nashville) - USA
1988
Lexington (detached from Covington, and from Louisville) - USA
1994
Our Lady of Lebanon of Los Angeles [Mar.] (detached from Saint Maron of Brooklyn [Mar.]) - USA
1995
Las Vegas (detached from Reno-Las Vegas) - USA
1995
Our Lady of Deliverance of Newark [Syr.] - USA
1995
Reno (new name, previously Reno-Las Vegas) - USA
2000
Laredo (detached from Corpus Christi, and from San Antonio) - USA
2001
Saint Thomas of Chicago [Syr.-Malab.] - USA
2002
Saint Peter the Apostle of San Diego [Cald.] (detached from Saint Thomas the Apostle of Detroit [Cald.]) - USA
2004
Galveston-Houston (Metr., was part of the Metropolitan Province of San Antonio) - USA
2005
Our Lady of Nareg in New York [Arm.] (elevated to Eparchy, and new name, previously United States and Canada [Arm.] (Ap.Ex.)) - USA
2016
Our Lady, Queen of Peace, of the United States and Canada [Syr.-Malank.]) - USA
av Webmaster publisert 19.03.2007, sist endret 06.01.2016 - 02:12