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.
Usage: Llyr, of Scottish-Gaelic origin, is not a popular first name. It is more often used as a boy (male) name. People having the name Llyr are in general originating from Ireland, United Kingdom.