ONYSZKO
There are 26 known people with the surname ONYSZKO with 22 different first names. The surname ONYSZKO is particularly common in Pennsylvania and Illinois Here you can find the geographic distribution of this nachname in all states:
| 1 | COLORADO | 2 | COLORADO | 2 |
| 1 | ILLINOIS | 8 | ILLINOIS | 8 |
| 1 | NEW JERSEY | 1 | NEW JERSEY | 1 |
| 1 | PENNSYLVANIA | 10 | PENNSYLVANIA | 10 |
| 1 | SOUTH CAROLINA | 1 | SOUTH CAROLINA | 1 |
| 1 | WASHINGTON | 5 | WASHINGTON | 5 |