| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Keefe | KEEF | Irish, English (Rare) | ||
| Keegan | KEE-gən | Irish, English | ||
| Keelan | - | Irish | ||
| Keelin | KEE-lin | Irish | ||
| Keenan | - | Irish | ||
| Keeva | KEE-va | Irish | ||
| Kelan | - | Irish | ||
| Kelly | KEL-ee | Irish, English | ||
| Kennedy | KEN-ə-dee | English, Irish | ||
| Kevan | - | Irish | ||
| Kevin | KEV-in (English) | English, Irish, French, German, Dutch, Swedish, Norwegian, Danish | ||
| Kiera | KEER-a, KEE-ar-a | Irish | ||
| Kieran | KEER-awn, KEE-ar-awn | Irish | ||
| Kieron | KEER-awn, KEE-ar-awn | Irish | ||
| Kilian | KEE-lee-ahn (German) | German, Irish, French |