Caid is the usual spelling, I'd say.
"By the early 19th century, various football games, referred to collectively as caid, were popular in Kerry , especially the Dingle Peninsula. Father W. Ferris described two forms of caid: the "field game" in which the object was to put the ball through arch-like goals, formed from the boughs of two trees, and; the epic "cross-country game" which lasted the whole of a Sunday (after mass) and was won by taking the ball across a parish boundary. "Wrestling", "holding" opposing players, and carrying the ball were all allowed."
(
Wikipedia: Gaelic Football)
Lars
(Message edited by lars on December 10, 2007)