Roman Catholic Archdiocese of Galveston–Houston ""Mother Church of Texas"". The prefecture was elevated to a vicariate apostolic on July 10, 1841. On May 4, 1847, the vicariate became the Diocese of Galveston in the Province of New Orleans and St. Mary Cathedral Basilica was designated the cathedral. In 1926, the then-diocese was placed in the newly created Province of San Antonio. After the devastating Galveston Hurricane of 1900, Houston began to expand after the Port of Houston was completed. At the request of Wendelin J. Nold, fifth bishop of Galveston, Pope John XXIII authorised the construction of a co-cathedral of convenience in Houston, and on
Port of Galveston opened at the port. This was the result of a public-private partnership that the port entered into with Wallenius Wilhelmsen Logistics Vehicle Services Americas. The new site has the capacity to import 32,500 cars per year, an inventory worth more than $1.3 billion. As of 2017, Galveston is the 4th-busiest cruise ship homeport in North America and one of the top 10 homeports in the world. Over the years, the port has welcomed ships from major cruise lines including Carnival Cruise Lines, Royal Caribbean Cruise Lines, Princess Cruises, Disney Cruise Lines, and Norwegian Cruise Lines. In 2017, three Carnival ships