Established as a parish in 1914, it originally encompassed 28 barangays from as far as Anao in Mexico to the east, Dolores to the south, Telabastagan to the north and a number of villages of San Fernando on the west side along what is now known as MacArthur Highway.

The remaining barangays were Calulut (parish center), Sindalan, Dela Paz, Bulaon, San Rafael and Malpitic.

In 1996, the Lord's Ascension Parish was established in Dela Paz Sur, which included the western part of Sindalan.

San Rafael, Malpitic and Bulaon to join the Parish of the Good Shepherd.

If this move is realized, the present parish boundaries will further shrink to include only the whole of Brgy.

Most of the parishioners then were tenants and farm workers who toiled in the sugar cane fields.

However, during the economic crunch of the 1980s, the lots were eventually sold and transformed into fish ponds and poultry farms, with financing from big food processing companies.

According to tradition, the harvest season is the reason why this feast is celebrated in October instead of 19 days after Pentecost, on a Friday in June or July according to the present General Roman Calendar.

His brief tenure (due to ill health) is still remembered for bringing back many Aglipayans in Brgy.

Getulio Inggal (1932–1937), whose term was marked by his struggle with the Socialist Party in church affairs.

Aquilino D. Ordonez (1967–1976) made his mark on the parish for two things: his passion for spiritual renewal and his concern for the economic development of the parishioners.

The second was achieved through vocational classes such as dressmaking and electronics, farm demonstrations, animal husbandry, home gardening, piggery and poultry-raising.

Canlas introduced innovations and promoted active lay participation in liturgical celebrations.

His stay in the parish was marked in what is now known as "The Golden Age of Kapampangan Liturgical Music".

With the help of the Daughters of Charity, he promoted the Visita Domicilliaria, in which neighborhood families were organized into groups of thirty.

The main feature of the "Visita" was the one-day visit of the image of the Miraculous Medal of the Virgin Mary to each member-family.

In addition, each of the four "puroks of Calulut" were organized into a "Coro", identified by a Marian title.

Thus, Patad/Mabalas became known as "Fatima", Centro was "Lourdes", the New Barrio was called "Del Carmen", and Pau was known as "Virgen de los Remedios".

In hindsight, it can be said that the experience was the parish's precursor to building small ecclesiastical communities.

Canlas also emphasized catechetical instruction for the young, by professionally training and organizing volunteer catechists.

Adrian P. Paule, started his term in 1999 by reorganizing the Parish Pastoral Council and renovating the rectory.

Since he began his term, parishioners have been experiencing creative and meaningful pastoral activities leading towards the celebration of the parish's 90th Foundation Anniversary.