During the Post World War II period. Ibabang dupay was selected as the site of the Red V coconut Product Ltd. Fr. Florante Dator was appointed first parish priest in 1958. Housed temporarily in the second floor of the residence of Maria Jaca, he said mass at the rest house of the coconut company, which lured workers from other places. In 1950, the earliest masses for Sunday and patronal feast were held at the apartment unit offered by Timoteo Jaca. Soon Novenas in honor of the mother of Perpetual Helpand other devotions begun to take place there regularly, then seminarians organized catechetical classes, and in 1955, religious organizations such as Apostolado ng Panalangin and the Legion of Mary were formed. The curate of St. Ferdinand Parish, Msgr. Diego Conti is said to have recommended the elevation of Ibabang Dupay to a parish. To accommodate the increasing number of mass attendees, Sofronio Dialola allowed the use of his vacant lot in front of Fr. Dator’s temporary living quarters. The church was permanently build on the lot donated by Severo Marquez. In the term of Fr. Herminio Lagustan, the church and convent were expanded. A couple of Redemptorist priest did missionary work and the local government donated a pre-fabricated building to be used as a social hall and day care center. Fr. Pio Manalo introduced the Block Rosary, rebuild the convent, fenced the church property and said mass in almost all of barangays. Fr. Manuel Lim was curate from November 1982 to February 1983. Msgr. Oscar Leaño implemented an intensive cathechetical instructions drive and divided the parish into kawans. Where the dalaw misa was help in May. He oversaw the silver jubilee celebration of the erection of the parish and renovated the convent. Msgr. Atilano Oracion renovated the side of the church. The new tabernacle was blessed during the term of
Msgr. Armando Perez. He was succeeded by Msgr. Luis Balquiedra, Fr. Zaldy Maaño and Fr. Joseph Estremera.