Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
CARD
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A word used in some parts of Scotland to denote a traveling tinker. Ceairde, Gaelic, a tradesman.
Patronymica Britannica (1860)
CARD. The same as Caird, which see.
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