Cui-fen - Chinese name meaning "emerald fragrance."
Cuidightheach - Old Gaelic name meaning "helper."
Cuithbeart - Scottish Gaelic form of Anglo-Saxon Cuthbeorht, meaning "bright fame."
Cuithbrig - Scottish Gaelic form of Anglo-Saxon Cuthbeorht, meaning "bright fame."
Cuixtli - Nahuatl name meaning "kite."