| Name | Meaning | Gender | Origin |
|---|
| Cleo | From Cleopatra - Her father's glory | Female | Greek |
| Cody | Helpful.
| Male | English |
| Colin | Strong and virile; victorious army; youth, child, victor | Male | English |
| Comet | A celestial body | Female | Nature |
| Constance | steadfastness | Female | English |
| Coral | Greek for small stone. Sincere or from the sea. Marine animal whose skeletons form coral reefs. | Female | Nature |
| Cosette | little thing | Female | |
| Cubby | | Unisex | Hebrew |
| Dahlia | Flower Named For Botanist A. Dahl | Female | Greek |
| Daisy | Day's eye. A flower name.
| Female | |
| Daisy | Day's eye. A flower name.
| Female | |
| Dakota | Friend: ally. Tribal name.
| Female | Place-name |
| Dancer | | Male | Hebrew |
| Dash | To move with haste, to rush. Punctuation. Long sound in Morse code. | Male | English |
| Dasher | | Unisex | Hebrew |
| Delilah | Desired. Languishing. The Biblical Delilah tempted Samson into revealing the secret of his superhuman strength.
| Female | Arabic |
| Dinah | Alice in Wonderland's cat | Female | Hebrew |
| Disney | | Unisex | Hebrew |
| Dizzy | | Female | Hebrew |
| Dora | gift | Female | Greek |
| Eleanor | light, mercy | Female | English |
| Electra | bright, the shining one | Female | Greek |
| Eliza | The Chosen | Female | English |
| Elsie | pledged to God | Female | English |
| Emmeline | work | Female | |