Duff
This somewhat boisterous Celtic name would be at home in a noisy pub or out walking on the moors. In Scotland, it was originally a nickname for someone with dark hair or a swarthy complexion.
Duff (born Michael) McKagen gained fame as a member of Guns 'N' Roses. Popular actress Hilary Duff is giving the surname a lot of attention.
Duff
Somewhat gruff name that might be better feminized as Duffy.

