| Name | Meaning | Gender | Origin |
|---|
| Lucy | Light | Female | Latin |
| Luna | Moon | Female | Latin |
| Lydia | Noble kind | Female | Germanic |
| Maddy | Pet form of Mad- names | Female | English |
| Maggie | Pearl | Female | Greek |
| Mara | Bitter | Female | Hebrew |
| Maritza | Bitter | Female | Hebrew |
| Marnina | Rejoice | Female | Hebrew |
| Mathilda | Powerful battler | Female | Germanic |
| Matt | Gift of God | Male | Hebrew |
| Max | Little Maximus | Male | Latin |
| Maxi | Pet form of names starting with Max | Unisex | English |
| Maximus | The greatest | Male | Latin |
| Mercy | Compassion | Female | English |
| Merle | Contracted form of Meriel | Female | English |
| Meryl | Bright as the sea | Unisex | Gaelic |
| Mickey | Who is like God? | Unisex | Hebrew |
| Missy | Bee | Female | Greek |
| Misty | Misty | Female | English |
| Molly | Uncertain, maybe bitter | Female | Hebrew |
| Monique | Uncertain, perhaps counsellor | Female | Latin |
| Moose | Largest member of the deer family. Moose have heavy brown bodies with humped shoulders and broad antlers. | Unisex | English |
| Mopsy | Term of affection, a darling. | Unisex | English |
| Murphy | Sea warrior | Male | Gaelic |
| Neptune | God of the sea | Unisex | Latin |
| Noah | Rest | Male | Hebrew |
| Nori | Law | Female | Japanese |
| Oliver | Elf army | Male | French |
| Oscar | Divine spear | Male | English |
| Paisley | Church, cemetery | Unisex | English |