| Name | Meaning | Gender | Origin |
|---|
| Merrill | Bright as the sea | Male | Gaelic |
| Merritt | Boundary gate | Unisex | English |
| Miles | Uncertain, perhaps peaceful | Male | Germanic |
| Millard | Guardian of the mill | Male | English |
| Miller | Grinder of grain | Male | English |
| Milton | Settlement by the mill | Male | English |
| Missy | Bee | Female | Greek |
| Morgan | Uncertain, perhaps bright sea | Female | Welsh |
| Morven | Lives By The Sea | Male | English |
| Muffy | | Unisex | Hebrew |
| Muriel | Bright as the sea | Female | Gaelic |
| Murray | Man of the sea | Male | Gaelic |
| Naomi | Beautiful, pleasant, delightful | Female | Hebrew |
| Nara | Man | Female | Sanskrit |
| Nelson | Son of Neal | Male | English |
| Nicholas | Victory of the people | Male | Greek |
| Nicole | Victory of the people | Female | Greek |
| Niles | People's Victory | Male | Gaelic |
| Norman | Thor mind, Thor courage | Male | Gaelic |
| North | North | Male | English |
| Nyle | Champion | Male | English |
| Oakes | From The Oak | Male | English |
| Oakley | From the oak meadow | Male | English |
| Ogden | Oak valley | Male | English |
| Olin | Holy | Male | English |
| Orman | Forest | Male | Turkish |
| Orson | Bear | Male | French |
| Orville | Gold town | Male | French |
| Osbert | Bright god | Male | English |
| Oswald | Uncertain, possibly divine power | Male | German |