where does the last name santiago come from
Santiago (surname) Santiago is both a Spanish and Portuguese[1] surname. The surname Santiago was first found in Galicia, Spain. There are other forms that are shortening of Santiago: Sant, Santo, Sancto, Sancti, Sanct, Sanctis Santi. Also these spellings apply to all the righteous men of the Calendar of the days of the Patron Saints.[2] Santiago is a habitational name from any of the numerous places named for the dedication of churches to St. James (Sant Iago).