Carinthia \c(a)-rin-thia, car(i)-nthia\ as a girl's name. Place name: an idyllic region of Austria. First used as a given name after George Meredith used it as the name of his heroine in his novel "The Amazing Marriage" (1895).
Baby names that sound like Carinthia are Corinthia and Korinthia. Other similar baby names are Orinthia and Orrinthia.