Santos (originally Portuguese, Spanish or Italian for Saints (singular Santo)) is a surname of Christian origin in Portuguese and Spanish-speaking countries and the Philippines. It is a last name very common Christian origin among the poorest and descendants of slaves in the state of Bahia, the province with the largest number of slaves in Brazil, from the end of the Brazilian Empire and the abolition of slavery in Brazil, at the end of the nineteenth century, started to use surname Santos as identification toponymic origin of the Bay of All Saints. An example is a slave who had no name, after the abolition became Manuel Santos, Manuel a common name in Portuguese-speaking countries and Santos to indicate that was Bahian origin. It was also a way to shorten the names of Brazilians, if it were not so would: Manuel da Bahia de Todos os Santos (en: Manuel of the Bay of All Saints). During the time of the Inquisition in Portugal and Spain and their domains many Jews who became New Christians adopted this surname, which was passed on to their descendants, today there are many decentmen of these ancient Jews who live in Brazil. There are also other Iberian grammatical forms that are De Santo, De Santos, Del Santo, Santi, Santis, Santiz, Senti, Sentis and others.