Claim: Guam's first Catholic church was founded by Diego Luis de San Vitores.
Evidence: Guam was colonized in 1668 with settlers , like Diego Luis de San Vitores , a Catholic missionary.
Blessed Diego Luis de San Vitores -LRB- November 12 , 1627 -- April 2 , 1672 -RRB- was a Spanish Jesuit missionary who founded the first Catholic church on the island of Guam.