Archdiocese of Cincinnati, Ohio Jul 042009 Founded 19 June 1821 by Pope Pius VII as the Diocese of Cincinnati, a suffragan of the archdiocese of Baltimore, Maryland Elevated 19 July 1850 by Pope Blessed Pius IX to an archdiocese Suffragans Bishops Additional Information Catholic-Heirarchy.Org Archdiocese of Cincinnati Patron Saints of the Archdiocese
![[Cathedral of Saint Peter, archdiocese of Cincinnati]](http://saints.sqpn.com/ncd02045.jpg "jpg photograph of the Cathedral of Saint Peter, archdiocese of Cincinnati, from the New Catholic Dictionary")