| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 1621 | Cleantha | English | Glory. | F | |
| 1622 | Cleavon | English | Cliff. | M | |
| 1623 | Clem | English | Diminutive of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1624 | Cleme | English | Diminutive of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1625 | Clemen | English | Variant of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1626 | Clemence | English | Variant of Clementia used as a virtue name by the Puritans, associated with the abstract virtue of clemency. | F | |
| 1627 | Clemency | English | Variant of Clementia used as a virtue name by the Puritans, associated with the abstract virtue of clemency. | F | |
| 1628 | Clemens | English | Variant of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1629 | Clement | English | Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1630 | Clemente | English | Variant of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1631 | Clementius | English | Variant of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1632 | Clemento | English | Variant of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1633 | Clemmie | English | Diminutive of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1634 | Clemmons | English | Variant of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1635 | Clemmy | English | Diminutive of Clement: Gentle. Famous Bearer: Clement Moore, writer of 'Twas the Night Before Christmas'. | M | |
| 1636 | Cleon | English | From the cliff. | M | |
| 1637 | Clerc | English | Variant of Clark: Scholar. | M | |
| 1638 | Clerk | English | Variant of Clark: Scholar. | M | |
| 1639 | Cleva | English | Dwells at the cliffs. | F | |
| 1640 | Cleve | English | Cliffs. Abbreviation of Cleveland. | M | |