Saint James. (The alternate view is that the name Iago was a forerunner to Diego or "Douglas". In this view, the translation would be Saint Douglas.)
Santiago is a male name very common.
Saint James
Santiago Mirabent's birth name is Santiago Mirabent Montao.
Santiago Arrieta's birth name is Santiago Donado.
Dino Santiago's birth name is Geraldino Santiago Rojas.
Irene Santiago's birth name is Irene Margaret Santiago.
Jessica Santiago's birth name is Jessica Joan Santiago.
Raymart Santiago's birth name is Raymond Martin Santiago.
Tessie Santiago's birth name is Tessie Marie Santiago.
Benito Santiago's birth name is Benito Rivera Santiago.
Santiago Tupper's birth name is Santiago Tupper Jaramillo.
Santiago Stieben's birth name is Santiago Lautaro Stieben.