As described in historical dictionaries

An Etymological Dictionary of Family and Christian Names (1857)

(origin: Dutch.) An abbreviation of Cornelius, among the Dutch. Keys, called Taxiaxia, were officers of justice, in olden times, in the Isle of Man.

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.


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