I don't know about the other town, but all the birth, marriage, and death records for Casoria going back to the early 1800's is on Familysearch.org which is run my the Mormons. It's only images of pages from the old books, but you can page thru a book and find what you need. Most pages use printed forms so you just need to have to look at one part of a page to know if its the one you want. I estimate there were about 300 births a year in that town.
There are other towns available as well but many towns did not keep such extensive records and fewer still have been scanned by the Mormons.
I did see a lot of names like Gaetano Iodice when I was in there. One of the problems you might have is that there might be several people with that name living contemporaneously, so you'll want to have some other piece of information so that you can decide who is the right one. If you read through the marriage records you'll find more than a few instances where the bride and groom already have the same last name.