TREPHAN
There are 12 known people with the surname TREPHAN with 9 different first names. The surname TREPHAN is particularly common in Pennsylvania and California Here you can find the geographic distribution of this nachname in all states:
| 1 | CALIFORNIA | 2 | CALIFORNIA | 2 |
| 1 | FLORIDA | 1 | FLORIDA | 1 |
| 1 | PENNSYLVANIA | 9 | PENNSYLVANIA | 9 |