People with Last Name JOHN GRONOSTAJ
There are 2 known people with the name JOHN GRONOSTAJ. The combination of JOHN and GRONOSTAJ is most frequently found in New York and Pennsylvania Here you can find the geographic distribution of this names in all states:
| 1 | NEW YORK | 1 | NEW YORK | 1 |
| 1 | PENNSYLVANIA | 1 | PENNSYLVANIA | 1 |