SILWANOWICZ
There are 23 known people with the surname SILWANOWICZ with 15 different first names. The surname SILWANOWICZ is particularly common in Michigan and Florida Here you can find the geographic distribution of this nachname in all states:
| 1 | FLORIDA | 7 | FLORIDA | 7 |
| 1 | GEORGIA | 1 | GEORGIA | 1 |
| 1 | MICHIGAN | 10 | MICHIGAN | 10 |
| 1 | NEW JERSEY | 2 | NEW JERSEY | 2 |
| 1 | NEW YORK | 1 | NEW YORK | 1 |
| 1 | PENNSYLVANIA | 3 | PENNSYLVANIA | 3 |