I just went all of the Ellis Island entries and can't find any other surname in the town with that ending. I think Perotta is correct. Will you be able to find that marriage record to confirm this?
No record number given for this one, Jim. After the date of the marriage, that is an abbreviation for "the official of the civil state" (which in Italian is "the official of the state civil" or "l'ufficiale dello stato civile