Family History and Genealogy Resources by Surname
Wilcox Surname Origin
From Will, and cock, which signifies, little. Will's son, Williamson. 'A willcock,' one rather obstinate.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Wilcox Surname Meaning and Family Facts
There is more to Wilcox family history than the origin of your surname:
A Wilcox Family History Thought:
'The past isn't dead. It isn't even past.' --William Faulkner