Later, this settlement was converted into Pueblo de Morong and was made the provincial capital of the Franciscan Order at that time.

[1] Plasencia was well known for his mastery of Tagalog and is credited with compiling a dictionary of the vernacular and writing a draft of a catechism which is later used for composing the Doctrina Christiana (1593), the first book printed in the Philippines.

He constructed a wooden church on the south bank of the river, but it was burned down together with a large part of the pueblo in 1612.

After three years, a new church was built of stone and mortar on elevated ground at the opposite bank of Morong River which ensured its safety from floods and fires.

The church had remained substantially unchanged until 1850–53, when Máximo Rico commissioned Bartolomé Palatino, a native of Paete, to renovate the facade and build a bell tower.

As a proof, the Franciscan coat or arms is seen on the main facade of the bell tower, the hands of Jesus and Francis of Assisi.

After the Cry of Pugadlawin on August 23, 1896, a civil guard stationed in Binangonan named Agustin Natividad escaped from his post and passed the mountain trails to reach Morong.

The Spanish casadores and other loyal civil guards retreated to the Gobierno Politico-Militar building while the Katipuneros under Natividad sought refuge in Capitan Mariano's rice camarin.

[1] On June 1, 1898, fully armed soldiers from Cavite and a shipment of rifles and a canon arrived to aid the Katipuneros who came from the different points of Distrito de Morong.

The three principal revolutionary leaders at that time were Brigade Commander Miguel Aquino, Assessor Juan Sumulong and Quintin Gonzales.

Felix Huerta, writing in 1852, states that the facade had finials shaped as jars and shells used for illuminating it.

The stone and mortar church which has a three-story facade, and an octagonal bell tower whose cross is illuminated at night and can be seen from the surrounding countryside.

The following were the most significant projects done according to the records of the parish:[3] Paintings of the Four Evangelists (John, Luke, Mark and Matthew) were set up on the sides of the dome.

Stained glass pictures of Jesus and Mary (Twin Hearts) were set up on the windows at the western sides of the central hall.