Do you mean you actually looked at the church records and could not find the person you are looking for, or you could not find the church records themselves? The records will not be on line, but I looked and they do have microfilmed records for Meznonio. Try this and see if it takes you direct to the description of the church records:
https://familysearch.org/search/catalog/468843?availability=... and if that does not work I can try to walk you through how to find it. It is there, believe me!