It is a male name with a strange etymology. It comes from the name Iago, which during the Middle Ages was not well known in Spain, so when images and relics of Saint Yago were labeled, someone interpreted it as "Saintyago" or "Santyago", which ended up as the current name 'Santiago'. It is also the name of different geographical places, almost always as a religious homage. 3º_ For one of the above, in Spain, 'santiago' is the name of a cloth produced in that city.
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