| Jedrek | Man | Polish Names |
| Jedrzej | Man | Polish Names |
| Jerzy | Man | Polish Names |
| Julietta | Woman | Polish Names |
| Jurek | Man | Polish Names |
| Kamilia | Woman | Polish Names |
| Karolina | Woman | Polish Names |
| Kasia | Woman | Polish Names |
| Katarzyna | Woman | Polish Names |
| Kaz | Man | Polish Names |
| Ksena | Woman | Polish Names |
| Lefteria | Woman | Polish Names |
| Leszcyna | Woman | Polish Names |
| Lidia | Woman | Polish Names |
| Lilka | Woman | Polish Names |
| Lolek | Man | Polish Names |
| Magda | Woman | Polish Names |
| Marcin | Man | Polish Names |
| Marcina | Woman | Polish Names |
| Marek | Man | Polish Names |