Surname Born-Vallero (Born-Vallero 
) , in the world, is an extremely rare cognomen. The last name Born-Vallero is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Born, and a last name Vallero.
| VARIANT | COUNTRY |
|---|---|
| Born-Vallero | United States |