Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
RALPH
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Sax.) From Rad, counsel, and ulph, help, French, Raoul, Latin, Rodolphus, a helper, a counselor.
Patronymica Britannica (1860)
RALPH. The personal name Radulphus, introduced at the time of the Norman Conquest. It has given rise to Relfe, Realf, Ralfs, Raw, Rawes, Rawson, Rason, Rawlins, Rawlings, Rawlinson, Roaf, Rolfe, and other surnames.
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