| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 901 | Wybjorn | Norse | War bear. | M | |
| 902 | Wyborn | Norse | War bear. | M | |
| 903 | Yggsdrasil | Norse | The tree that binds heaven hell and earth. | F | |
| 904 | Ymir | Norse | A mythical giant. | M | |
| 905 | Yngvild | Norse | Mother of Bishop Brand. | F | |
| 906 | Yule | Norse | Born during Yule. | F | |