Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
RICHARD
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Sax.) From ric, rich, and ard, nature or disposition--of a liberal disposition.
Patronymica Britannica (1860)
RICHARD. This baptismal name, besides becoming itself a surname, has given rise to many others ; viz., Richards, Richardson, Rich. Ritchie, Riches, Rick, Ricks, Rix, Rickson, Rixon, Ritson, Rickards, Ricket, Ricketts. From Dick and Hitchin, two ' nurse-names ' of Richard, we also derive Dix, Dicks. Dickson, Dixon, Digons, Dickens, Dickius, Dickinson, Dickerson, Dickison ; and Hitchins, Hitchinson, Hitchcock, Hitchcox.
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
Region of origin: Europe