Not found before the 1920s, and not common until the 1940s, but increasingly popular since, being borne, for example, by the American actress Cheryl Ladd (b. 1951). It appears to be a blend of Cherry and Beryl.
Polish: possibly from the personal name Cyrus, derived from the Greek form, Kyros, of the name of several kings of Persia. The origin of the name is not known, but in the early Christian period it was associated with Greek kyrios ‘lord’, and borne by various saints, including an Egyptian martyr and a bishop of Carthage.