Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
EDDY
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
In the Gaelic, Eddee signifies an instructor. The name may be local from the Saxon Ed, backwards, and ea, water--a current of water running back, a whirlpool. Edd, Welsh, signifies motion, going; Eddu, to go, to move.
Origin: Anglo-Saxon
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English