| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 1641 | Cleveland | English | From the cliff land. | M | |
| 1642 | Clevon | English | From the cliff. | M | |
| 1643 | Cliff | English | Diminutive of Clifford: River ford near a cliff. | M | |
| 1644 | Clifford | English | Ford near a slope. From an Old English surname and place name, used commonly as a first name since the late 19th century. Famous bearer: pianist Sir Clifford Curzon. | M | |
| 1645 | Cliffton | English | From the farm near the cliff. | M | |
| 1646 | Clifland | English | From the cliff land. | M | |
| 1647 | Clift | English | Diminutive of Clifton: From the town near a cliff. | M | |
| 1648 | Clifton | English | Settlement on a cliff. From an Old English surname and place name, used only occasionally as a first name. | M | |
| 1649 | Cliftun | English | From the farm near the cliff. | M | |
| 1650 | Clint | English | Diminutive of Clinton: Settlement on a hill, or from the headland estate. Famous bearer: Clint Eastwood. | M | |
| 1651 | Clinton | English | Settlement on a hill, or from the headland estate. From an Old English surname and place name. | M | |
| 1652 | Clinttun | English | From the headland estate. | M | |
| 1653 | Clintwood | English | Hillside. | M | |
| 1654 | Clive | English | Cliff. Lives at the cliffs. From an English surname and place name. Famous bearer 18th century British soldier and statesman Robert Clive was known as 'Clive of India'.Lives at the cliffs. | M | |
| 1655 | Clover | English | Clover. | F | |
| 1656 | Clyff | English | Diminutive of Clifford: River ford near a cliff. | M | |
| 1657 | Clyfford | English | Variant of Clifford: River ford near a cliff. | M | |
| 1658 | Clyffton | English | From the farm near the cliff. | M | |
| 1659 | Clyfland | English | From the cliff land. | M | |
| 1660 | Clyford | English | Cliff-side ford. | M | |