Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
HAYCOCK
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A name probably given to a foundling exposed in a hayfield.
Surname type: Diminutive
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English