| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 301 | Maponus | Anglo-Saxon | God of youth and music. | M | |
| 302 | Mars Leucetius | Anglo-Saxon | God worshipped at Bath. | M | |
| 303 | Maxwell | Anglo-Saxon | From Maccus's pool. | M | |
| 304 | Meccus | Anglo-Saxon | Son of Gus. | M | |
| 305 | Merton | Anglo-Saxon | From the farm by the sea. | M | |
| 306 | Modig | Anglo-Saxon | Brave. | M | |
| 307 | Nechten | Anglo-Saxon | Name of a king. | M | |
| 308 | Nerian | Anglo-Saxon | Protects. | M | |
| 309 | Newton | Anglo-Saxon | From the new estate. | M | |
| 310 | Nodens | Anglo-Saxon | A British god. | M | |
| 311 | Nodons | Anglo-Saxon | A British god. | M | |
| 312 | Norton | Anglo-Saxon | From the north farm. | M | |
| 313 | Norvel | Anglo-Saxon | From the north state. | M | |
| 314 | Norville | Anglo-Saxon | From the north state. | M | |
| 315 | Nyle | Anglo-Saxon | Desire. | M | |
| 316 | Octe | Anglo-Saxon | A son of Hengist. | M | |
| 317 | Octha | Anglo-Saxon | A son of Hengist. | M | |
| 318 | Odel | Anglo-Saxon | Wealthy. | M | |
| 319 | Odell | Anglo-Saxon | Wealthy. | M | |
| 320 | Odi | Anglo-Saxon | Wealthy defender. | M | |