| Baby Name | Meaning | Gender |
|---|
| Lycaon | Myth Name (A King Of Arcadia) | Male |
| Lycomedes | Myth Name (A King Of Scyros) | Male |
| Lyra | Of The Iyre Or Song | Female |
| Lysandra | Defends Man | Female |
| Mab | Happiness | Female |
| Macha | Plain | Female |
| Maddock | Beneficent | Male |
| Maeve | A Mythical Queen | Female |
| Magena | Moon | Female |
| Maia | Myth Name (Mother Of Hermes) | Female |
| Maida | "Maiden."Variant, Mayda, Exists. | Female |
| Margarethe | Danish Form Of Margaret (Pearl) | Female |
| Margawse | Mother Of Gawain | Female |
| Marica | A Nymph | Female |
| Marisa | Variant Of Maria. | Female |
| Meadow | Field Of Flowers | Female |
| Meda | Prophetess | Female |
| Medb | A Mythical Queen | Female |
| Medea | Myth Name (Wife Of Jason Who Murders Her Children) | Female |
| Medusa | Cunning | Female |
| Melanippus | Myth Name (Helps Defend Thebes Against The Attackers) | Male |
| Melchoir | Meaning Unknown | Male |
| Melwas | Name Of A King | Male |
| Merlin | Arthur's Tutor | Male |
| Mira | Bitter | Female |