| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 221 | Curcio | French | Courteous. | M | |
| 222 | Curt | French | Diminutive of Curtis: From a surname derived from the Old French 'curteis' meaning courteous. Also, from the court. | M | |
| 223 | Curtice | French | Courteous. | M | |
| 224 | Curtis | French | From a surname derived from the Old French 'curteis' meaning courteous.. | M | |
| 225 | Curtiss | French | Courteous. See also Curt. | M | |
| 226 | Cyrano | French | Cyrano de Bergerac was a seventeenth-century soldier and science-fiction writer. | M | |
| 227 | D'anton | French | Variant of Anthony. | M | |
| 228 | D'arcy | French | Dark. From Arcy. Variant of Darcy. | M | |
| 229 | Dace | French | Of the nobility. | M | |
| 230 | Dacey | French | Of the nobility. | M | |
| 231 | Dacian | French | Of the nobility. | M | |
| 232 | Daine | French | Surnames meaning 'from Denmark.'. | M | |
| 233 | Damien | French | Variant of Damon 'one who tames; subdues.' The Belgian priest Father Damien gave his life helping the Hawaiian lepers of Molokai. 3rd Century St. Damian is patron of physicians. | M | |
| 234 | Danton | French | Variant of Anthony. | M | |
| 235 | Darcel | French | Dark. Variant of Darcy or DArcy. | M | |
| 236 | Darcell | French | Dark. Variant of Darcy or DArcy. | M | |
| 237 | Darcio | French | Dark. Variant of Darcy or DArcy. | M | |
| 238 | Darcy | French | From Arcy. | M | |
| 239 | Dareau | French | Variant of Darrel 'open.'. | M | |
| 240 | Dariel | French | Variant of Darrel 'open.'. | M | |