| Baby Name | Meaning | Gender |
|---|
| Lil | Name Of A Saint | Female |
| Lisa | Devoted To God | Female |
| Logan | From The Hollow | Male |
| Lorna | From Laurentium: The Place Of The Laurel Trees: Place Of Honor And Victory. Feminine Of Lawrence. | Female |
| Louise | Renowned Warrior | Female |
| Lucy | Light: Illumination. | Female |
| Luighseach | Torch Bringer | Female |
| Mab | Happiness | Female |
| Mabbina | Happiness | Female |
| Macha | Plain | Female |
| Mada | From Mathilda | Female |
| Madailein | Irish Forms Of Madeleine Magnificent | Female |
| Maegan | | Female |
| Maeve | A Mythical Queen | Female |
| Maille | Pearl | Female |
| Maire | Bitter | Female |
| Mairead | Name Of A Saint | Female |
| Mairi | Bitter | Female |
| Mairin | Goddess Of The Sea | Female |
| Maitilde | Strong Battle Maiden | Female |
| Makenna | Happiness | Female |
| Makenzie | "Variant Of Mackenzie, Mckenzie" | Female |
| Mallaidh | Bitter | Female |
| Margaret | Child Of Light: Pearl | Female |
| Margo | Variant Of Margaret. Pearl. | Female |