Thiago is the Portuguese equivalent of the names Jacob and James. It is the archaic spelling of the name Tiago, presently mostly used in Brazil; in Portugal, the modern spelling largely prevails. It is also very popular in Argentina. Thiago (footballer, born September 1988), Thiago de Lima, Brazilian footballer. Thiago (footballer, born October 1988), Thiago Pinto Borges, Brazilian footballer. Thiago de Los Reyes (born 1989), Brazilian television and film actor. Thiago Alcântara (born 1991), Brazilian-Spanish footballer, known simply as Thiago.
https://en.wikipedia.org/wiki/Thiago