Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
FOUNTAIN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
Originally De Fonte or De Fontibus (Fountain), from the springs or fountains near which they resided.
Patronymica Britannica (1860)
FOUNTAIN. From residence near one — like the Fr. De la Fontaine.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English