| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 381 | Crystal | Greek | Feminine form of Christopher: From the Greek word meaning 'carrier of Christ', Famous bearer: St Christopher, patron Saint of travellers, is believed to have carried the Christ-child across a river. | F | |
| 382 | Cybele | Greek | Mythological nature goddess worshiped as the Great Mother in Asia Minor. The mother of all gods and men and wild nature. Often kept company by lions. Identified with Rhea by the Greeks; with Maia and Ceres by the Romans. | F | |
| 383 | Cyma | Greek | Flourish. | F | |
| 384 | Cynthia | Greek | Of Cynthus (Mount Cynthus on the island of Delos). Famous bearer: Cynthia was one of the names of the mythological moon goddess Artemis, referring to her birth on Mount Cynthus. | F | |
| 385 | Cypris | Greek | From Cyprus. | F | |
| 386 | Cyrena | Greek | Mother of Aristaeus. | F | |
| 387 | Cyrene | Greek | Mother of Aristaeus. | F | |
| 388 | Cyrilla | Greek | Noble. | F | |
| 389 | Cythera | Greek | From Cythera. | F | |
| 390 | Cytherea | Greek | Derived from Cythera, a Greek island mentioned in classical references to the goddess Aphrodite. Another name for Aphrodite. | F | |
| 391 | Cytheria | Greek | Another name for Aphrodite. | F | |
| 392 | Daff | Greek | Diminutive of Daphne: Bay tree, or laurel tree. The Greek mythological nymph Daphne was rescued from the unwanted attentions of the god Apollo by being turned into a laurel bush. Famous bearer: British author Daphne du Maurier. | F | |
| 393 | Daffodil | Greek | Flower. | F | |
| 394 | Damara | Greek | Gentle. | F | |
| 395 | Damaris | Greek | Derived from the Greek word for calf. Damaris was an Athenian woman who St Paul converted to Christianity. Gentle. | F | |
| 396 | Damiana | Greek | One who tames; subdues. Feminine of Damian. | F | |
| 397 | Danae | Greek | Mythological mother of Perseus by Zeus. | F | |
| 398 | Danay | Greek | Form of Danae; the mythological mother of Perseus by Zeus. | F | |
| 399 | Danaye | Greek | Form of Danae; the mythological mother of Perseus by Zeus. | F | |
| 400 | Danea | Greek | Form of Danae; the mythological mother of Perseus by Zeus. | F | |