Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
AVERILL
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Local) A corruption of Haverhill, the aspirate being dropped. Haverill is a town in Suffolk, England, so named from the Dutch Hyver, Teut., Haber, oats, and hill--the hill sown with oats.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English