SIECKOWSKI
There are 60 known people with the surname SIECKOWSKI with 39 different first names. The surname SIECKOWSKI is particularly common in Ohio and California Here you can find the geographic distribution of this nachname in all states:
| 1 | ARIZONA | 4 | ARIZONA | 4 |
| 1 | CALIFORNIA | 9 | CALIFORNIA | 9 |
| 1 | CONNECTICUT | 6 | CONNECTICUT | 6 |
| 1 | FLORIDA | 1 | FLORIDA | 1 |
| 1 | ILLINOIS | 4 | ILLINOIS | 4 |
| 1 | MAINE | 1 | MAINE | 1 |
| 1 | MICHIGAN | 3 | MICHIGAN | 3 |
| 1 | NEW HAMPSHIRE | 1 | NEW HAMPSHIRE | 1 |
| 1 | NEW JERSEY | 2 | NEW JERSEY | 2 |
| 1 | OHIO | 17 | OHIO | 17 |
| 1 | PENNSYLVANIA | 6 | PENNSYLVANIA | 6 |
| 1 | WASHINGTON | 6 | WASHINGTON | 6 |