Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
FRANCIS
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
From the Saxon, Frank, free. The Franks were a people who anciently inhabited part of Germany, and having conquered Gaul, changed the name of the country to France.
Patronymica Britannica (1860)
FRANCIS. Not from the personal name, which is of too recent introduction ; but as in the H.R., Le Franceys, Le Franseys, Le Frauuceys, " the Frenchman."
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