PereyroGalician It's a Galician surname and it means apple tree.
RavelinoOld Celtic (Latinized, Archaic) It means manufacturing of fine and expensive fabrics. Also means the tailor or weaver. It comes from Asti and Piedmont (noth of Italy).
SanctusMedieval Italian Sanctus is a very old graphic form in Italy and it means santo (saint).
SantiItalian Derived from the given name Santi, or as a patronymic form of Santo. It can also be derived as a nickname from santo "holy" or "saint", ultimately from Latin sanctus.
SantisMedieval Italian (Latinized, Archaic) It means holliness, hallowed, saintly, sainted, sanctity. It is a surname that corresponds with Italian Celts families (Italo-Celtic family groups), more precisely in Piemonte or Piedmont (north of Italy).