CASE: From the Old French for "chest." You could make a case for this as a first name. Namesake: Case Western Reserve University.
CASSANDRA: The original prophet of doom, in classical mythology, but the name has a pleasant sound to it. Relatives: Cassie, Cass, Sandra, Sandy. Namesake: "Mama" Cass Elliot
CATHERINE: From the Greek for "pure." Ever popular always in good taste. A can't-miss with endless variations. Relatives: Cathryne, Kathryn, Katherine, Katharine, Cathy, Kathie, Catie, Cadie, Caddie, Katie, Kate, Katryn, Katrina, Catrina, Trina, Cathleen, Kitty, Cate, Cat, Catriana. Namesakes: Catherine the Great, Catherine Olim, Kathryn Harrold, Katharine Hepburn
CECILIA: From the Latin for "blind." A traditional upper-crust name. Relatives: Cecil, Cecelia, Celia, Cecily, Cicely, Cissy, Sissy. Namesakes: Cecily Cardew, Cicely Tyson, Sissy Spacek, Cecil B. DeMille.
CEDRIC: A combination of Welsh for "bounty" and "spectacle." Relatives: Cedrick, Cedrych, Cerdric. Namesakes: Sir Cedri Hardwick.
CELESTE: Latin for "heavenly." A beautfiul name, but some may have endure a few taunts about Babar's wife. Namesakes: Celeste Holm, "Queen Celeste."
CHAD: Old English for "warlike." Relative: Chadwick. Namesakes: Chad Everett, Chad and Jeremy.
CHAIM: Hebrew for "life." People will always be drinking a toast to this child. Relatives: Cahyim, Cahyyam, Haim, Haym, Cahya. Namesake: Chaim Potok.
CHANCELLOR: Old French for "secretary." A little highfalutin unless it really is a family name. Relatives: Chance, Chauncey. Namesakes: Chauncey Howell, Chancellor Green, John Chancellor.