Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
AFFLECK
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Gaelic and Celtic. Local) Said to be a corruption of the name Auchinleck, which was assumed by the proprietors of the lands and barony of Auchinleck, near Dundee, in Angusshire, Scotland. The name is pronounced Affleck by the natives. (See Auchinleck.)
Patronymica Britannica (1860)
AFFLECK. A smgular contraction of the surname Auchinleck, borne by an ancient family 'of that ilk' in Ayrshire. Sir Edmund Affleck created baronet in 1782, was sixth in descent from Sir John Auchinleck, son of Gilbert A. of Auchinleck. Baronetage.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English