San Antonio is then known as Buliran, one of the progressive and component barangay of Tiaong, Quezon covered with thick cogon grasses and Buri trees.

Its history is still unknown to many people, which were told by two aged persons by the name of Mrs. Hermogina Quizon and Mr. Venancio Ilagan.

[5] This place which was the hideout of the out - laws was named to belong to "Impierno," which literally translates to hell, based on the killings of the prisoners of Kolas lgat.

Every person who received a piece of land was asked to pay a tax of one peso or to donate free labor for one week in the construction of the road.

Simeon de Torres, a barrio ruler, was among the inhabitants who have done a lot towards the attainment of peace and prosperity of the place.

In the year 1946, General Andres "Dumas" Umali thought of making Buliran a municipality separate from Tiaong.

The insistent municipal councilor, then thought of approaching the congressman of the first district of Quezon, Manuel S. Enverga.

The parish priest Calixto Jamilla, who was among the petitioner, choose the name San Antonio after St. Anthony of Padua because of the miracles he had shown.

This legislative act facilitated the administrative realignment of Barangay Matipunso, ensuring it became part of the Municipality of San Antonio.

[14] Barangay [14] Population [14] Poverty Incidence of San Antonio Source: Philippine Statistics Authority[15][16][17][18][19][20][21][22]