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.
How to Find The Origin Of Your Last Name. Surnames, or last names, have been in existence since the 13th century. They were adopted as a means to distinguish people for tax purposes, but have become a way to identify people by their family, country of origin, and in some cases, religion.