sison was once part of san fabian until petitioners from barrio bolaoen signed a manifesto on june 30, 1858, expressing their intention of creating a separate "pueblo". it was filed to the "governadorcillo" of san fabian and was later endorsed to the "alcalde mayor" of lingayen on august 8, 1858. after the definition of the jurisdiction of the proposed new "pueblo", the administrative proceedings began with the mayor of san fabian himself, don enrique casaoay, as among those who appeared in behalf of the petitioners. on december 15, 1862, a royal decree was finally issued declaring the creation of a "pueblo" independent of san fabian’s civil jurisdiction. the "pueblo" was called alava. don faustino baclit served as its ad interim head until the pueblo’s first elected president, don felix genelazo, assumed his office on march 1, 1868.