Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
GOODWILLIE
As described in historical dictionaries
Patronymica Britannica (1860)
GOODWILL. GOODWILLIE. These singular names have no reference to the character, good or bad, of any of the vast Gulielmian tribe, but, according to Pittscottie, a good-wilier and a well-wisher are synonymous. Jamieson.