Family History and Genealogy Resources by Surname
Neff Surname Origin
(Origin French) Naif, artless, candid. Nef, a water-mill; the nave of a church.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Neff Surname Meaning and Family Facts
There is more to Neff family history than the origin of your surname:
A Neff Family History Thought:
'The past isn't dead. It isn't even past.' --William Faulkner