Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
COLLIER
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A name of occupation, a dealer or workman in coals.
Patronymica Britannica (1860)
COLLIER. A maker of charcoal, formerly a much more important and common occupation than now. In medieval documents it is M-ritten Le Coliere, Carbonarius, &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: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English