| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 561 | Constancia | English | Constancy; steadfastness. | F | |
| 562 | Constancy | English | A variant of Constance used by 16th and 17th century Puritans. | F | |
| 563 | Cora | English | Maiden. | F | |
| 564 | Coral | English | A popular 19th century jewel name, from the name of the pink semi-precious sea growth used to make jewellery and ornaments. | F | |
| 565 | Coralee | English | Maiden. | F | |
| 566 | Coralia | English | Maiden. | F | |
| 567 | Coralie | English | Variant of Coral: A popular 19th century jewel name, from the name of the pink semi-precious sea growth used to make jewellery and ornaments. | F | |
| 568 | Coraline | English | From the semi-precious sea growth coral. | F | |
| 569 | Coralyn | English | Maiden. | F | |
| 570 | Cordelia | English | In Shakespeare's King Lear a woman of rare honesty. | F | |
| 571 | Corella | English | Maiden. | F | |
| 572 | Coretta | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 573 | Corey | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 574 | Cori | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 575 | Coriann | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 576 | Corianne | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 577 | Corie | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 578 | Corisa | English | Variant of Cory meaning variously: From the round hill; seething pool; or ravine. | F | |
| 579 | Corissa | English | Maiden. | F | |
| 580 | Corlene | English | Maiden. | F | |