Claudia is the feminine form of the Roman name Claudius, held by two Roman families, one noble and the other plebeian. It is a royal epithet that means "limping" and dates from very elder days, when kings were ritually lamed as a mark of office.
If you're referring to the Claudia Grey who wrote the Evernight series, including 'Evernight', 'Stargazer', the soon-to-be-released 'Hourglass' and the book 'Immortal' (about Patrice from the Evernight series), then i would think her real name IS Claudia Grey, why would you think it wasn't?
It is a name, there is no definition.
Sharyn is a female name derived from the name Sharon. By definition, it means hard-working, stable and resistant to change.
There is no definition as an average word from the English Dictionary, but there are some famous people with this name.
Cosmo can be the name of a dog!
Claudia Nicole Schoeb is everywhere because she is the definition of awesome.
Claudia Mori's birth name is Claudia Moroni.
Claudia Maradona's birth name is Claudia Villafae.
Claudia McMahon's birth name is Claudia A. McMahon.
Claudia Enzmann's birth name is Claudia Schmitt.
Claudia DiDomenico's birth name is Claudia Davis.
Claudia Buttazzoni's birth name is Claudia Buttazzoni.
Claudia Koll's birth name is Colacione, Claudia.
Claudia Loewe's birth name is Claudia Knoll.
Claudia Lonow's birth name is Rappaport, Claudia.
Claudia Lawrence's birth name is Claudia Fernstrom.
Claudia Eliza Aguilar's birth name is Claudia Elisa Aguilar Uriarte.