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.
The first name is derived from the surname, which is itself from a place named 'ceorlatun' in Old English; the etymology of the place name is ultimately related to that of the name Charles. The first name has been adopted since the 19th century. It is pronounced with a 'k' sound, reflecting Anglo-Scandinavian influence.