| Name | Meaning | Details |
|---|---|---|
| Mirian | Of The Sea Or Bitter | View Details |
| Mirielle | Sea Bright | View Details |
| Mirit | Of The Sea Or Bitter | View Details |
| Moana | Ocean Or Sea | View Details |
| Moira | Of The Sea Or Bitter | View Details |
| Molly | Of The Sea Or Bitter | View Details |
| Moran | Sea Warrior | View Details |
| Muireann | Of The Sea Or Bitter | 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 |
| Myrddin | Sea Fort | View Details |
| Nakima | "Noahs Sea" | View Details |
| Nanami | Seven Seas | View Details |