The Parish of Nuestra Señora dela Asuncion, the “oldest Roman Catholic church in the province”, has a baptismal book entry as early as 1572, it was precious artifact for almost 400 years it was not destroyed by fire or war. On the first page of the book, written was the name of the barrio of the town of Bulakan, Bagio, Bulakan (Camino Real), Daan Estacion, Matungao, Cupang, Banban, Dapdap, Parian, Balubad, Pitpitan, Maysantor, Acsajo, Paniqui, San Nicolas, Nagdasig, Calungusan, Taliptip and Sta Ana.