| Name | Meaning | Details |
|---|---|---|
| Murgatroyd | "From Margarets Clearing" | View Details |
| Muriel | Sea Bright | View Details |
| Murphy | Descendant Of Sea Warrior | View Details |
| Murray | From The Sea Town | View Details |
| Murron | Sea Seal | 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 |
| Myrddin | Sea Fort | View Details |
| Naiara | City In The Basque Country | View Details |
| Nakima | "Noahs Sea" | View Details |
| Nakimera | Gift From God | View Details |
| Nakita | Victory Of The People | View Details |
| Nanami | Seven Seas | View Details |
| Nantale | Totem Of The Lion | View Details |