Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
HAROLD
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
In old Anglo Saxon, signifies "The love of the army." From Har, an army, and hold, love.
Patronymica Britannica (1860)
HAROLD. The well-known Scandinavian personal name, borne by Norwegian, Danish, and English kings.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: From given name or forename
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English