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.
German and Jewish (Ashkenazic): from Middle High German kumin, German Kümmel ‘caraway’ (related to Latin cuminum, a word of Oriental origin, like the plant itself), hence a metonymic occupational name for a spicer, literally a supplier of caraway seeds. Compare Caraway, also Lorber and Zimêt.