| Gender | Baby Name | Meaning |
|---|---|---|
 | Jarlath | Man of control |
| Jay | A Bird in the crow family |
| Jerome | Holy name |
 | Jocelin | Cheerful |
| Jocelyn | Cheerful |
| Julia | Youthful |
| Julian | Youthful |
| Julius | Youthful |
| Junia | Youthful |
| Justus | Fair, just |
| Karise | Dearest one |
| Laura | Laurel |
| Lavina | Woman of Rome |
| Letitia | Joy |
| Luce | Light |
| Lucius | Ｌｉｇｈｔ |
| Lucretius | Wealth, Profit |
| Lucus | Light |
| Madelaine | Woman of Magdala |
| Madonna | My Lady |
| Magnum | Big, great |
| Magnus | Big, great |
| Maia | Great |
| Mandy | Lovable |
| Marcella | Young warrior |
| Marcello | Young warrior |
| Marcellus | Young warrior |
| Marcia | Warlike |
| Marcus | Warlike |
| Maria | Of the Sea |
