POSWILKO
There are 8 known people with the surname POSWILKO with 6 different first names. The surname POSWILKO is particularly common in Colorado and Illinois Here you can find the geographic distribution of this nachname in all states:
| 1 | COLORADO | 4 | COLORADO | 4 |
| 1 | ILLINOIS | 2 | ILLINOIS | 2 |
| 1 | INDIANA | 1 | INDIANA | 1 |
| 1 | NORTH DAKOTA | 1 | NORTH DAKOTA | 1 |