Greek Meaning: The name Tiffany is a Greek baby name. In Greek the meaning of the name Tiffany is: Gods incarnate. American Meaning: The name Tiffany is an American baby name. In American the meaning of the name Tiffany is: Gods incarnate. Latin Meaning: The name Tiffany is a Latin baby name. In Latin the meaning of the name Tiffany is: Manifestation of God. In the Middle Ages, this name was sometimes given to girls born on Twelfth night. SoulUrge Number: 1.