| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Joi | JOI | English (Modern) | ||
| Jordyn | JAWR-din | English (Modern) | ||
| Jorja | JAWR-jə | English (Modern) | ||
| Joselyn | JAHS-lin, JAHS-ə-lin | English (Modern) | ||
| Joslyn | JAHS-lin | English (Modern) | ||
| Kacey | KAY-see | English (Modern) | ||
| Kacie | KAY-see | English (Modern) | ||
| Kade | KAYD | English (Modern) | ||
| Kaden | KAY-dən | English (Modern) | ||
| Kaeden | KAY-dən | English (Modern) | ||
| Kaelyn | KAY-lin | English (Modern) | ||
| Kaiden | KAY-dən | English (Modern) | ||
| Kailee | KAY-lee | English (Modern) | ||
| Kailey | KAY-lee | English (Modern) | ||
| Kailyn | KAY-lin | English (Modern) |