Neff Family History
Neff Name Meaning
German and Swiss German: relationship name from Middle High German neve ‘nephew’ (later rather broader in application like cousin in English) hence probably a distinguishing name for a close relation or familiar of a prominent personage. This surname is also found in France (Alsace and Lorraine). In North America this surname is also an altered form of the variant Naff . Dutch: variant of Neve cognate with 1 above. Jewish (Ashkenazic): from German Neffe ‘nephew’ cognate with 1 above. Shortened form of Irish McNeff (see McNiff ).
Source: Dictionary of American Family Names 2nd edition, 2022