ULA:  Celtic name meaning "Gem of the sea."  Variants include Eula, Ulla, and Yulla.

ULIMA:  Arabic name meaning "wise."

ULRICA:  Old German name meaning "power of the wolf."  Variants include Rieka, Rica, Ricka, Ulka, Ulrica, and Ulrika.

ULVA:  Old German name meaning "wolf."

UNA:  Old Celtic name, probably meaning "lamb."  Also a Latin name meaning "one," therefore, equivalent of Unity, "oneness."

UNICE:  see Eunice.

UNITY:  Middle English name meaning "oneness."

URANIA:  Greek name meaning "heavenly."  Variants include Urainia, Uraniya, and Uranya.

URBANA:  Latin name meaning "of the city."  

URSULA:  Latin name meaning "she-bear."  Some variants are Orsala, Ursala, and Ursella.  Diminutives include Urse and Ursie.