That's our family as well. When my wife visited Picerno last summer, and inquired about the Caivano's we were told you couldn't swing a cat without hitting one there. LOL Big family.

Our branch settled into NYC around 1880. Luigi Caivano was born in Picerno. His daughter, Marianina married my ...

You might also consider Cellole in Caserta. Although, I agree with an earlier post, Cicciano is a possibility. However, Cicciano proper has no "Bruni" listed currently in the Commune. There are 4 in Cellole.

http://campania.indettaglio.it/eng/cognomi/

Usefull in finding concentrations of surnames ...