People with Last Name JOHN TREFNY
There are 4 known people with the name JOHN TREFNY. The combination of JOHN and TREFNY is most frequently found in Colorado and Pennsylvania Here you can find the geographic distribution of this names in all states:
| 1 | COLORADO | 2 | COLORADO | 2 |
| 1 | ILLINOIS | 1 | ILLINOIS | 1 |
| 1 | PENNSYLVANIA | 1 | PENNSYLVANIA | 1 |