Wiktionary (0.00 / 0 votes) Rate this definition: harmonic (Noun). a component frequency of the signal of a wave that is an integer multiple of the fundamental frequency. harmonic (Adjective).
The majority, however, come from people who are just beginning to look at their family tree and hope that learning the origin of their last name will give them insight into where their family originally came from. Last names aren't always as simple as they sound, however. Kerry, for example, is an Irish surname.
However, it is likely that the Middle English words and surnames like Wilberth came from Germanic roots, probably deriving the word wild from the word will over decades of linguistic derivation and evolving vernacular. It is safe to confirm the Wilberth name means will-bright from archaic Germanic origins.