It was later renamed San Simon by Governor-General Simón de Anda y Salazar who named the town from his namesake upon the recommendation of his close allies, the Augustinian Friars.

Governor-General Anda moved the capital of the colony to Pampanga a few years before the founding of the town due to the 1762 British Invasion.

[3] Much of the stone walls of the church are intact while the façade and bell tower has been remodeled.

The façade features a triangular pediment, three triple-arched windows on its second level and a concrete porte-cochere.

To its left stands the rectangular belfry topped with a pagoda-like canopy.