Tiago is a derivative (Portuguese and Spanish) of the Dutch, English, German, and Scandinavian name Jacob.
Tiago is also a derivative (Portuguese and Spanish) of the English and Hebrew name James.
Tiago is also a derivative (English, French, and Portuguese) of the Spanish and English name Santiago.
See also the related form, the Spanish and Italian Diego.
Tiago is not popular as a baby name for boys. It is not in the top 1000 names. In 2016, among the group of boy names directly related to Tiago, James was the most widely used.
Baby names that sound like Tiago include Tacio, Tacitus, Tadashey, Tadashi, Tadashie, Tadashy, Taddeus, Taddeusz, Tadeas, Tadesuz, Tadeus, Tadeusz, Tadzea, Tadzio, Taezo, Taghea, Tahea, Taichi, Taiga, and Taishea.
† Pronunciation for Tiago: T as in "tee (T.IY)" ; IY as in "eat (IY.T)" ; AA as in "odd (AA.D)" ; G as in "grin (G.R.IH.N)" ; OW as in "oak (OW.K)"