Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
CHILTON
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Local) From a town of the same name in Wiltshire, England, signifying the chalk-hills; from the Saxon cylt, clay or chalk.
Patronymica Britannica (1860)
CHILTON. Parishes in cos. Berks, Bucks, Somerset, Suffolk, Durham, Wilts, &c.
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