KOOPSEN
There are 31 known people with the surname KOOPSEN with 24 different first names. The surname KOOPSEN is particularly common in Michigan and California Here you can find the geographic distribution of this nachname in all states:
| 1 | ARIZONA | 2 | ARIZONA | 2 |
| 1 | CALIFORNIA | 4 | CALIFORNIA | 4 |
| 1 | IDAHO | 1 | IDAHO | 1 |
| 1 | MICHIGAN | 25 | MICHIGAN | 25 |
| 1 | WASHINGTON | 3 | WASHINGTON | 3 |