| Name | Meaning | Details |
|---|---|---|
| Mortimer | From The Still Pond | View Details |
| Morton | From The Moor Town | View Details |
| Morty | From The Name Mortimer | View Details |
| Morwen | Maiden | View Details |
| Morwenna | Maiden | View Details |
| Mostyn | From The Mossy Town | View Details |
| Mouna | Desires | View Details |
| Moya | From Moya | View Details |
| Muchese | Knife Or Hatchet Blade | View Details |
| Muna | Desires | View Details |
| Muqaddim | Leader | View Details |
| Murgatroyd | "From Margarets Clearing" | View Details |
| Murphy | Descendant Of Sea Warrior | View Details |
| Murray | From The Sea Town | View Details |
| Musa | Saved From The Water | View Details |