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.
Last name: Head. This interesting and unusual surname, of Anglo-Saxon origin, has two possible sources, both deriving from the Olde English pre 7th Century heafod (Middle English heaved), head.