Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
HAMILTON
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
Originally Hambleton, from the manor of Hambleton, in Buckinghamshire. William, third son of Robert, third Earl of Leicester, took that surname from the place of his birth, as above. He was the founder of the family of that name in Scotland, whither he went about the year 1215. The name is derived from Hamell, a mansion, the seat of a freeholder, and dun, an enclosure, a fortified place, a town.
Surname type: Location or geographical feature
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic