Definitions of yang:

• noun:   the bright positive masculine principle in Chinese dualistic cosmology

  Example: "Yin and yang together produce everything that comes into existence"

• name:  A surname (common: 1 in 6666 families; popularity rank in the U.S.: #810)
• name:  A female given name (rare: 1 in 50000 females; popularity rank in the U.S.: #2734)