Search Celtic Baby Names
| # | Name | Origin | Meaning | Gender | Save |
| 351 | Mabon | Celtic | Mythical god of youth. | M |  |
| 352 | Mac | Celtic | Son of. | M | |
| 353 | Maccus | Celtic | Hammer. | M | |
| 354 | Mack | Celtic | Son of. | M | |
| 355 | Macklin | Celtic | Son of Flann. | M | |
| 356 | Macklyn | Celtic | Son of Flann. | M | |
| 357 | Maddock | Celtic | Beneficent. | M | |
| 358 | Maddox | Celtic | Beneficent. | M | |
| 359 | Malcolm | Celtic | Servant of Saint Columba. | M | |
| 360 | Malvin | Celtic | Leader. | M | |
| 361 | Malvyn | Celtic | Leader. | M | |
| 362 | Mariner | Celtic | Lives by the sea. | M | |
| 363 | Marvin | Celtic | Lives by the sea. | M | |
| 364 | Marvyn | Celtic | Lives by the sea. | M | |
| 365 | Medredydd | Celtic | Mythical son of Medredydd. | M | |
| 366 | Melville | Celtic | Leader. | M | |
| 367 | Melvin | Celtic | Leader. | M | |
| 368 | Melvyn | Celtic | Leader. | M | |
| 369 | Menw | Celtic | Mythical a wizard. | M | |
| 370 | Merlin | Celtic | From the hill over the sea. | M | |
| 371 | Merlyn | Celtic | From the hill over the sea. | M | |
| 372 | Morfran | Celtic | Mythical ugly demon. | M | |
| 373 | Morgan | Celtic | Lives by the sea. | M | |
| 374 | Morven | Celtic | Lives by the sea. | M | |
| 375 | Morvyn | Celtic | Lives by the sea. | M | |
| 376 | Moryn | Celtic | Lives by the sea. | M | |
| 377 | Mungo | Celtic | Lovable. | M | |
| 378 | Murdoc | Celtic | Seaman. | M | |
| 379 | Murdoch | Celtic | Seaman. | M | |
| 380 | Murdock | Celtic | Seaman. | M | |
| 381 | Murray | Celtic | Lives by the sea. | M | |
| 382 | Murry | Celtic | Lives by the sea. | M | |
| 383 | Murtagh | Celtic | Protects the sea. | M | |
| 384 | Mynogan | Celtic | Mythical father of Beli. | M | |
| 385 | Naois | Celtic | Mythical warrior. | M | |
| 386 | Neal | Celtic | Champion. | M | |
| 387 | Neale | Celtic | Champion. | M | |
| 388 | Nealon | Celtic | Champion. | M | |
| 389 | Neese | Celtic | Choice. | M | |
| 390 | Neil | Celtic | Champion. | M | |
| 391 | Neill | Celtic | Champion. | M | |
| 392 | Nell | Celtic | Champion. | M | |
| 393 | Nels | Celtic | Chief. | M | |
| 394 | Nelson | Celtic | Son of Neil. | M | |
| 395 | Nemausus | Celtic | Mythical god of Nimes. | M | |
| 396 | Newlin | Celtic | From the new spring. | M | |
| 397 | Newlyn | Celtic | From the new spring. | M | |
| 398 | Niall | Celtic | Champion. | M | |
| 399 | Niallan | Celtic | Champion. | M | |
| 400 | Niece | Celtic | Choice. | M | |