DUFFAN
There are 9 known people with the surname DUFFAN with 8 different first names. The surname DUFFAN is particularly common in Pennsylvania and Virginia Here you can find the geographic distribution of this nachname in all states:
| 1 | CALIFORNIA | 1 | CALIFORNIA | 1 |
| 1 | PENNSYLVANIA | 5 | PENNSYLVANIA | 5 |
| 1 | VIRGINIA | 3 | VIRGINIA | 3 |