Roman Catholic Diocese of Kansas City–Saint Joseph

The Roman Catholic Diocese of Kansas City–Saint Joseph is an ecclesiastical territory or diocese of the Roman Catholic Church in the state of Missouri in the United States. The current bishop is James Vann Johnson, Jr.. It is a suffragan see of the Archdiocese of Saint Louis. The see city for the diocese is Kansas City, Missouri. The cathedral parish is Cathedral of the Immaculate Conception and its co-cathedral is the Cathedral of St. Joseph in St. Joseph, Missouri.
On September 10, 1880, Pope Leo XIII established the Diocese of Kansas City, with territories taken from the Archdiocese of St. Louis. Its first bishop was John Joseph Hogan. On July 2, 1956, the diocese incorporated part of the territory of the Diocese of Saint Joseph, which had been established by Pope Pius IX on March 3, 1868. On the same date in 1956 part of the Diocese of Kansas City's territory went to establish the Diocese of Jefferson City and the Diocese of Springfield-Cape Girardeau. The diocese received its present name and boundaries at that time.

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