IWANIEC JR
There are 2 known people with the surname IWANIEC JR with 2 different first names. The surname IWANIEC JR is particularly common in Connecticut and Oregon Here you can find the geographic distribution of this nachname in all states:
| 1 | CONNECTICUT | 1 | CONNECTICUT | 1 |
| 1 | OREGON | 1 | OREGON | 1 |