| Naomh | Woman | Irish Names |
| Neal | Man | Irish Names |
| Neely | Unisex | Irish Names |
| Neenan | Woman | Irish Names |
| Neil | Man | Irish Names |
| Neilan | Man | Irish Names |
| Nevan | Man | Irish Names |
| Neve | Woman | Irish Names |
| Nevin | Unisex | Irish Names |
| Nevina | Woman | Irish Names |
| Niall | Unisex | Irish Names |
| Niamh | Woman | Irish Names |
| Nola | Woman | Irish Names |
| Nolan | Man | Irish Names |
| Noland | Unisex | Irish Names |
| Nolen | Man | Irish Names |
| Nora | Woman | Irish Names |
| Noreen | Woman | Irish Names |
| Nuada | Man | Irish Names |
| Nuala | Woman | Irish Names |