The conference and Mass are set for Monday.
Diocese of Corpus Christi spokesman Marty Wind tells the Corpus Christi Caller-Times (http://bit.ly/H5yF4f ) that the celebration "marks 100 years of faith, tradition and service to the community."
Pope Pius X established the Diocese of Corpus Christi on March 23, 1912.
Wind says the diocese is currently made up of more than 110 churches. Cardinal Daniel DiNardo, Galveston-Houston Archbishop, oversees more than 1.3 million Catholics in the area.
Cardinal Timothy Dolan, archbishop of New York, will deliver the conference keynote address, "The Church in the Third Millennium."