Rhiannon is the Celtic Goddess of the earth and fertility, of horses, birds, inspiration and the moon.
Myths and Legends – From www.scotland.org, the official gateway site to Scotland
Celtic gods | The Olde Country" -- A couple I see are not gods but stronger than normal for man. Finn and Cuchulain. Gaulish Irish Celtic examples: Epona, Taranis). All may be described as "Celtic."
Elen of the Ways awaits in the forests. She is lost in history, yet in all the wild places both physically and spiritually. She flits elusively through any number of Between Places, daring you to pursue her.