Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
FRANK
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A native of France, free; a name given by the Turks, Greeks, and Arabs, to any of the inhabitants of the western part of Europe, whether English, French, or Italians.
Patronymica Britannica (1860)
FRANK. FRANKS. FRANKES. The
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