Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
ARCHIBALD
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: German.) The same as Erchenbald, a powerful, bold, and speedy learner or observer. In the Gaelic this name is called Gillespie--a favorite name with the Scotch.
Surname type: From given name or forename
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic