L, luis, the mountain ash in the Ogham. Confers ... - Rodney Mackay

wild animals. Like Macha, the Hag often appeared as a giant
mare, being known in this form as the Lair Glas, or Grey
Mare.
It was rumoured that this winter game-keeper had
complete charge of weather-magic from Samhainn through
Beltainn, and carried a staff that spread snow upon the
ground wherever she travelled. The staff generated both
thunder and lightning and was coveted by men, but those
who attempted to steal it were reduced to a pile of ash.
This characteristic ties her to the Irish god Eochaid, "The
Horseman of Heaven", who is himself a male manifestation
of the Belgic goddess Bolg, or Bolt. She gave rise to the
Firbolgs, or People of the Bolg. This winter-hag, who is
surely related to the Germanic god Donar and his
Scandinavian counterpart Thor, was periodically
reincarnated in Conor Mor (of whom we have spoken) and
Erc, King of Dal Riada (Northern Antrim, Ireland). His people
moved to Alba in the fifth century and created the Kingdom
of Scots, his descendants being largely the clans of the
highlands. The relationship of the Cailleach to Thor is
explicitly suggested in myths that substitute a hammer for
the magic-staff. In many places, including the Maritime
Provinces, it used to be said that winter was at an end when
the Cailleach Bheur "threw her hammer beneath the
mistletoe."
LAIR DEARG, the “Dark Mare,” the “Red Mare,” a horsewoman,
a shape-changer. Note also Etain Echraide, the
“Horse-riding One,” and the mate of Midir a god of the
Underworld. These Gaelic goddesses are connected with the
Gaullish Epona and the Welsh Rhiannon.
LA-TRAISG, LA-TROSGAIDH (in Lewis), any fast-day. “At
the rising of the sun.”
LABHRAN-SIDH, "a noisy little man," a fay-individual, the
wireless radio; labhair, to speak; labhran, a speaker.