| 301 | Ivory | girl | white as ivory | Latin | 6 | Register to vote |
| 302 | Jadalis | | princess flower | Latin | 1 | Register to vote |
| 303 | Jaelyn | girl | | Latin | 5 | Register to vote |
| 304 | Javan | boy | angel of Greece | Latin | 3 | Register to vote |
| 305 | Jaylia | girl | nice,sweet,unique,wonderful | Latin | 1 | Register to vote |
| 306 | Jerolin | boy | holy name | Latin | 0 | Register to vote |
| 307 | Jesus | | Jesus as a middle name | Latin | 1 | Register to vote |
| 308 | Jeylis | girl | social, energetic, sweet, happy, beautiful, attractive | Latin | 0 | Register to vote |
| 309 | Jill | girl | young child | Latin | 3 | Register to vote |
| 310 | Jilliany | girl | love one | Latin | 0 | Register to vote |
| 311 | Jinx | girl | a charm | Latin | 1 | Register to vote |
| 312 | Jionni | boy | | Latin | 1 | Register to vote |
| 313 | Jocosa | girl | gleeful | Latin | 0 | Register to vote |
| 314 | Joyce | girl | rejoicing | Latin | 4 | Register to vote |
| 315 | Julia | girl | softhaired, youthful, downy-haired, gentle, youthful | Latin | 14 | Register to vote |
| 316 | Julian | boy | youthful | Latin | 14 | Register to vote |
| 317 | Juliana | girl | youthful | Latin | 5 | Register to vote |
| 318 | Julinka | girl | youthful | Latin | 0 | Register to vote |
| 319 | Juliza | girl | (ja-lee-sa) free minded and beautiful in ones own way | Latin | 0 | Register to vote |
| 320 | June | girl | name of a month | Latin | 6 | Register to vote |
| 321 | Juniper | girl | The given name is either in reference to the English common name for the juniper tree or berry, or in reference to a derivation of the Welsh name Guinevere. In Latin, juniperus is combination of the word junio, which means young, and parere, to prod | Latin | 2 | Register to vote |
| 322 | Justus | boy | justice | Latin | 2 | Register to vote |
| 323 | Kalare | girl | bright, clear | Latin | 0 | Register to vote |
| 324 | Karely | girl | | Latin | 0 | Register to vote |
| 325 | Kasen | boy | protected with a helmet | Latin | 4 | Register to vote |
| 326 | kayce | girl | | Latin | 0 | Register to vote |
| 327 | Kenia | girl | | Latin | 0 | Register to vote |
| 328 | Kerqia | girl | church,sweet,loveing | Latin | 0 | Register to vote |
| 329 | Kester | boy | from the camp of the Roman army | Latin | 1 | Register to vote |
| 330 | Kharmen | girl | garden, field of fruit, song | Latin | 0 | Register to vote |
| 331 | Kilian | boy | blind | Latin | 0 | Register to vote |
| 332 | Kira | girl | light; sun | Latin | 16 | Register to vote |
| 333 | Kisha | girl | | Latin | 0 | Register to vote |
| 334 | Korbin | boy | Raven | Latin | 2 | Register to vote |
| 335 | Korvin | boy | crow | Latin | 0 | Register to vote |
| 336 | Kristen | girl | follower of Christ | Latin | 3 | Register to vote |
| 337 | Kyriae | girl | lord have mercy | Latin | 0 | Register to vote |
| 338 | Lalo | girl | to sing a lullaby | Latin | 1 | Register to vote |
| 339 | Lamberto | boy | wealthy in land, brilliant | Latin | 1 | Register to vote |
| 340 | Lara | girl | well-known, name of a nymph | Latin | 2 | Register to vote |
| 341 | Laraine | girl | sea bird | Latin | 1 | Register to vote |
| 342 | Larina | girl | sea gull | Latin | 2 | Register to vote |
| 343 | Lark | boy | Liar | Latin | 1 | Register to vote |
| 344 | Latonia | girl | mother of Apollo and Diana | Latin | 1 | Register to vote |
| 345 | Laura | girl | laurel leaves, honor, fame, spirit | Latin | 8 | Register to vote |
| 346 | Laurel | girl | | Latin | 7 | Register to vote |
| 347 | Laurence | boy | bay or laurel tree | Latin | 4 | Register to vote |
| 348 | Laurinda | girl | crowned with laurel, praise | Latin | 2 | Register to vote |
| 349 | Lavina | girl | woman of Rome | Latin | 2 | Register to vote |
| 350 | Lavinia | girl | purity | Latin | 3 | Register to vote |