Under Chirino, the parish was relocated from the flood-prone shores of Laguna de Bay to a higher location in a hill which was called San Juan del Monte where the parish has remained to this day.

Chirino began to document the Tagalog language as well as the way of life of Filipinos from his interactions with the inhabitants, forming the basis for his book "Relación de las Islas Filipinas".

Completed in 1601, it was considered to be the first church built by the Jesuits out of stone outside Manila.

[citation needed] Diego Luis de San Vitores was a Jesuit missionary who was assigned to Taytay from 1662 to 1668.

[1] San Vitores was eventually assigned to be a missionary in the Marianas Islands in 1668 and Calungsod went with him as his assistant.

San Vitores was among the martyred missionaries in the Mariana beatified by the Catholic Church in 1985.