Its title as Co-Cathedral was mandated by the Holy See as the church was the first Seat of the Diocese of Lingayen when this ecclesiastical jurisdiction was created on May 19, 1928.
Its pamagat bilang Co-Cathedral ay ipinag-uutos ng Banal na Tingnan kung paanong ang iglesia ay ang unang upuan ng diyosesis ng Lingayen kapag ito Eklesiastiko hurisdiksyon ay nilikha noong Mayo 19, 1928.