Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
ASSMAN
As described in historical dictionaries
Patronymica Britannica (1860)
ASSMAN. (H.R. Asseynan:) A donkeydriver. A book printed by Wynkyn de Worde, entitled " Informacyon for Pylgrymes," has the following direction : —