Yniol

Yniol, an earl of Arthurian legend, the father of Enid, who was ousted from his earldom by his nephew the “Sparrow-Hawk,” but who, when overthrown, was compelled to restore it to him.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Ymir * Yoga
Yeomen
Yeomen of the Guard
Yeovil
Yetholm
Yezd
Yezidees
Yezo
Yggdrasil
Yiddish
Ymir
Yniol
Yoga
Yogin
Yokohama
Yokuba
Yonge, Charlotte Mary
Yoni
Yonkers
Yonne
Yorick
York