Torres de Bouros does not exist. It´s Terras de Bouro, it´s a small town in the north of Portugal.
In Portugal everibody must be registrated at byrth since 1910. Then you have a birth certificate. You can get the certificate at Conservatória do Registo Civil de Terras de Bouro. The Registration become obligatory in 1910 with the Republic. Before that only the catholic church have a kind of regist. Were the priests who done the Assento Paroquial at the baptism