More info about the name "Tiago"
Tiago is a Portuguese variant of James. James originates in Hebrew language and means "following after". It is the English form of the Latin name Iacomus, ultimately derived from the Hebrew Ya’aqov, the same name Jacob was derived from. James is the name of two Apostles in the New Testament. Since the 13th century it has become a popular masculine given name within royalty, borne by several rulers.