Y Female
Yasmine - (Persian origin) Yasmine means "Jasmine Flower."
Yetta - (Yiddish origin) Yetta means "Light."
Yin - (Ancient Chinese Philosophy) Yin is the Black portion, equal in the proportion of the two (Black & White) combined Yin & Yang Symbol. Concept of opposites being complementary vs. opposing. Yin is referred to as the Feminine of the Yin & Yang symbol.
Yoana - (Hebrew origin) Yoana means "God is gracious."
Yolanda - (Greek origin) Yolanda means "Violet."
Yvonne - (French origin) Yvonne means "Yew" or "Tree."