The Archdiocese of St. Louis is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church that covers the City of St. Louis and the Missouri counties of Franklin, Jefferson, Lincoln, Perry, Saint Charles, Saint Francois, Ste. Genevieve, St. Louis, Warren, and Washington. It is the metropolitan see of the ecclesiastical province containing three suffragan sees: Diocese of Springfield-Cape Girardeau, the Diocese of Jefferson City, and the Diocese of Kansas City-Saint Joseph. It is led by Archbishop, Mitchell Thomas Rozanski, formerly the Bishop of Springfield in Massachusetts.
Arthur Jerome Drossaerts was a Dutch-American prelate of the Roman Catholic Church. He served as Archbishop of San Antonio from 1918 until his death.
The Diocese of Alexandria in Louisiana is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in central Louisiana in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of New Orleans.
The Diocese of Madison is a Latin Church diocese in the southwestern part of Wisconsin in the United States. The diocese has approximately 167,000 Catholics in 102 parishes with 98 priests in active ministry.
The Diocese of Belleville is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in the Southern Illinois region of the United States. It is a suffragan see in the ecclesiastical province of the metropolitan Archdiocese of Chicago.
The Diocese of Springfield in Illinois is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in south central Illinois in the United States. The mother church is the Cathedral of the Immaculate Conception in Springfield.
The Diocese of Las Cruces is the Latin Church ecclesiastical territory or diocese of the Catholic Church in southern New Mexico in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Santa Fe.
The Diocese of Albany is a Latin Church ecclesiastical territory in eastern New York in the United States. Its mother church is the Cathedral of the Immaculate Conception in Albany.
The Diocese of Lafayette in Indiana is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in central Indiana in the United States. The current bishop is Timothy L. Doherty. The Diocese of Lafayette in Indiana is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Indianapolis.
The Diocese of Kansas City–Saint Joseph is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in northwestern Missouri in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Saint Louis.
The Diocese of Houma–Thibodaux is a Latin Church ecclesiastical territory or diocese of the Catholic Church in southeastern Louisiana. It covers Terrebonne, Lafourche, and the eastern part of St. Mary parishes, Morgan City, and Grand Isle in Jefferson Parish. Although a small diocese in terms of area, it has a large Catholic population, with approximately 126,000 Catholics out of a total population of 202,000. The diocese includes part of Cajun Louisiana.
The Diocese of Lafayette in Louisiana, is a Latin Catholic ecclesiastical territory or diocese of the Catholic Church in the United States. It is a suffragan diocese of the Roman Catholic Archdiocese of New Orleans. The diocese was erected by the Vatican in 1918, and its current bishop is J. Douglas Deshotel. Covering St. Landry, Evangeline, Lafayette, St. Martin, Iberia, St. Mary, Acadia, and Vermilion parishes with exception to Morgan City of the Diocese of Houma-Thibodaux), the diocese is divided into four deaneries.
The Diocese of Jackson is a Latin Church diocese in Mississippi in the United States. Its ecclesiastical jurisdiction includes the northern and central parts of the state, an area of 97,458 square kilometers (37,629 sq mi). It is the largest diocese, by area, east of the Mississippi River.
The Archdiocese of Kansas City in Kansas is a Latin Church ecclesiastical province, or archdiocese, of the Catholic Church in eastern Kansas in the United States.
The Diocese of Wichita is a Latin Catholic ecclesiastical territory, or diocese, of the Catholic Church in Kansas in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Kansas City in Kansas.
The Diocese of Memphis is a Latin Church ecclesiastical territory or diocese of the Catholic Church in the western part of Tennessee in the United States.
The Diocese of Springfield–Cape Girardeau is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in southern Missouri in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Saint Louis.
The Diocese of Crookston is a Latin Church ecclesiastical territory, or diocese, of the Catholic Church in northwestern Minnesota in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of St. Paul and Minneapolis.
Edward Kenneth Braxton is an American prelate of the Catholic Church who served as bishop of the Diocese of Belleville in Illinois, from 2005 to 2020.
Glen John Provost is an American prelate of the Roman Catholic Church who has served as bishop of the Diocese of Lake Charles in Louisiana since 2007.
United States 
