Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
HAYNER
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Ger.) From Hech or Hohe, high, and narr, a fool, a jester, a merry fellow, king's fool. Perhaps, like George Buchanan, who was so called, a wise and learned man.
Region of origin: Europe
Country of origin: Germany
Language of origin: German