Last name Philadephia (Philadephia 
) , in the world, is an extremely rare cognomen. The family name Philadephia is habitual in South Africa, where it is an extremely rare surname, and the United States. More prevalently, Philadephia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Philadephia | United States, South Africa, Philippines |