| Name | Meaning | Details |
|---|---|---|
| Mostyn | From The Mossy Town | View Details |
| Moya | From Moya | View Details |
| Muireann | Of The Sea Or Bitter | View Details |
| Mulan | Wood Orchid | View Details |
| Muni | Born When The Streams Rise | View Details |
| Murgatroyd | "From Margarets Clearing" | View Details |
| Murray | From The Sea Town | View Details |
| Musa | Saved From The Water | View Details |
| Mycroft | By The Stream | View Details |
| Mylan | Combination Of The Names Myles And Nolan | View Details |
| Myles | Soldier | View Details |
| Myra | Behold | View Details |
| Mystral | Cold | View Details |
| Nahele | Forest | View Details |
| Naiara | City In The Basque Country | View Details |