KOSCIARZ
There are 14 known people with the surname KOSCIARZ with 10 different first names. The surname KOSCIARZ is particularly common in Illinois and Montana Here you can find the geographic distribution of this nachname in all states:
| 1 | ILLINOIS | 5 | ILLINOIS | 5 |
| 1 | MINNESOTA | 4 | MINNESOTA | 4 |
| 1 | MONTANA | 5 | MONTANA | 5 |
| 1 | NEW JERSEY | 2 | NEW JERSEY | 2 |