Ferdinand was canonized in 1671 by Pope Clement X. Places such as the cities of San Fernando, Pampanga and San Fernando, La Union; the Diocese of Ilagan and the San Fernando de Dilao Church in Paco, Manila in the Philippines; and in the United States, in California the City of San Fernando, the San Fernando Valley, and in Texas the Villa de San Fernando de Béxar, (now San Antonio, Texas) and the Cathedral of San Fernando in San Antonio were all named after him (namesakes) and placed under his patronage.