| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 561 | Kellan | Gaelic | Slender; fair. | M | |
| 562 | Kelle | Gaelic | Slender; fair. | M | |
| 563 | Kelleigh | Gaelic | Lively; aggressive. | F | |
| 564 | Kellen | Gaelic | Slender; fair. | F | |
| 565 | Kellen | Gaelic | Slender; fair. Form of Caelan. | M | |
| 566 | Keller | Gaelic | Little champion. | M | |
| 567 | Kelley | Gaelic | Lively; aggressive. | F | |
| 568 | Kelley | Gaelic | Warrior. | M | |
| 569 | Kelli | Gaelic | Lively; aggressive. | F | |
| 570 | Kelli | Gaelic | Lively; aggressive. | M | |
| 571 | Kellie | Gaelic | Warrior. | F | |
| 572 | Kelly | Gaelic | Warrior. | F | |
| 573 | Kelly | Gaelic | Warrior. | M | |
| 574 | Kellyanne | Gaelic | Lively; aggressive. | F | |
| 575 | Kellye | Gaelic | Lively; aggressive. | F | |
| 576 | Kellye | Gaelic | Lively; aggressive. | M | |
| 577 | Kelvin | Gaelic | From the narrow river. | M | |
| 578 | Keme | Gaelic | Little dark. | M | |
| 579 | Kendon | Gaelic | Brave chieftain. | M | |
| 580 | Kendrick | Gaelic | Son of Harry. | M | |