San Bernardino diocese celebrates its 40th Anniversary with Closing Mass. Hundreds gathered at St. Frances X Cabrini Catholic Church in Yucaipa to celebrate the 40th Anniversary of the Diocese on Nov. 3, Saturday. Most Rev. Bishop Gerald Barnes and Auxiliary Bishop Emeritus Rutilio del Riego were joined by the Bishop of the Diocese of San Diego, Most Rev. Bishop Robert McElroy and Auxiliary Bishop John Dolan, clergy, religious, and lay faithful of the Diocese.