| Name | Gender | Meaning | Favorites |
| Lucille | Girl | Light | |
| Lucinda | Girl | Love Light | |
| Ludlow | Boy | Mountain of the chief | |
| Luke | Boy | Author of the gospel of saint luke | |
| Luther | Boy | Warrior | |
| Lyndsey | Girl | Campnear stream | |
| Lynna | Girl | Waterfall | |
| Lynne | Girl | Beautiful water fall | |
| Mabel | Girl | My beautiful one | |
| Macy | Girl | Enduring | |
| Maddox | Boy | Beneficient | |
| Madeline | Girl | The Tower | |
| Madge | Girl | A pearl | |
| Magda | Girl | A Tower | |
| Magdalene | Girl | A Tower | |
| Maggie | Girl | A pearl | |
| Magnus | Boy | Great | |
| Maia | Girl | Star | |
| Maisie | Girl | Precious | |
| Mandy | Girl | Harmony | |
