| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 621 | Montgomery | French | Mountain belonging to the ruler. Surname of numerous English and Scottish earls. | M | |
| 622 | Monty | French | Diminutive of Montgomery: Mountain belonging to the ruler. Also can be a diminutive of Montague: Pointed hill. Steep mountain. | M | |
| 623 | Moor | French | Dark skinned. | M | |
| 624 | Moore | French | Dark skinned. | M | |
| 625 | More | French | Dark skinned. | M | |
| 626 | Morell | French | Dark one; the Moor. | M | |
| 627 | Mort | French | Diminutive of Mortimer: Dead sea (a stagnant lake). | M | |
| 628 | Mortimer | French | Dead sea (a stagnant lake). | M | |
| 629 | Morty | French | Diminutive of Mortimer: Dead sea (a stagnant lake). | M | |
| 630 | Nann | French | Variant of Anne 'favor; grace.'. | M | |
| 631 | Napoleon | French | Man from Naples. | M | |
| 632 | Nathalia | French | Birthday; especially the birthday of Christ. | M | |
| 633 | Nathanael | French | God has given. | M | |
| 634 | Navarre | French | Plains. | M | |
| 635 | Ned | French | Diminutive of Edmond: Prosperous protector. A French variant of the Old English name Eadmund, meaning rich or happy, and protection. | M | |
| 636 | Neddie | French | Diminutive of Edmond: Prosperous protector. A French variant of the Old English name Eadmund, meaning rich or happy, and protection. | M | |
| 637 | Neddy | French | Diminutive of Edmond: Prosperous protector. A French variant of the Old English name Eadmund, meaning rich or happy, and protection. | M | |
| 638 | Neuveville | French | From the new town. | M | |
| 639 | Nevil | French | From the new town. Originally a surname, since the late 19th century has been used occasionally as a first name. Famous Bearers: novelist Nevil Shute. | M | |
| 640 | Neville | French | Variant of Nevil: From the new village. Originally a surname, since the late 19th century has been used occasionally as a first name. Famous Bearers: novelist Nevil Shute. | M | |