People with Last Name JOHN OLKO
There are 2 known people with the name JOHN OLKO. The combination of JOHN and OLKO is most frequently found in Connecticut and New Jersey Here you can find the geographic distribution of this names in all states:
| 1 | CONNECTICUT | 1 | CONNECTICUT | 1 |
| 1 | NEW JERSEY | 1 | NEW JERSEY | 1 |