SHANNON

(origin: Gaelic.) From the Shannon, a river of Ireland. The tranquil, gentle river, from sen, gentle, and abhain, a river. Shan-eon, the tranquil river. S before a vowel, in the Gaelic, has the sound of sh. The river Seine, in France, has the same signification. Shanon--the ancient river, from sean, old, and oun or obhain, a river.

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.

SHANNON. Probably not fi-ora the great Irish river, though I cannot substitute any better origin.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.