Salvi (I) derives from the Roman surname Salvius and the Latin word salvus (safe).
Saraceno, Saracen (I) derives from the word Saracen; i.e., an Arab Muslim.
Scarlatto (I) means “scarlet.” The feminine form is Scarlata.
Sclavo (I) means “slave.”
Sigbald (I) derives from Old High German roots sigu (victory) and bald (bold). This name is also Medieval French.
Sixt (I) derives from the Latin name Sixtus, which in turn comes from Greek Xystos (polished, scraped). Because the first Pope to take the name Sixtus was the sixth, it came to be associated with the Latin word sextus (sixth).
Soave (I) may be taken from the Italian word soave (soft, sweet, gentle, delicate) or Suebi, a Germanic tribe.
Salomia (I) is a form of Salomé, which derives from the Hebrew word shalom (peace).
Sancta (I) means “holy, consecrated, pious, divine, sacred, just.”
Sapienza (I) means “knowledge, wisdom.”
Savia (I) comes from the Latin word sabius (intelligent, rational).
Setembrina (I) means September.
Sforza (I) means “to force, to strain.”
Smeralda (I) means “emerald.” The male form is Smeraldo.
Solavita (I) means “life alone.”
Spania (I) means Spain.