The surname Catarello was originally from Torino (piemonte) area with two listings in early 1700's from the town of Prascorsano (there is one there today). The surname is not listed inthe Italian surname dictionary and is either imported and italianized or local in origin based upon nickname, anecdotal or work related. It has no word meaning.
The surname shows up in Sicily in the 1800's in Naso, Messina province.
www.familysearch.org under ancestor search relates.
If you go to
www.paginebianche.it and put in Catarello inthe firstline and Piemonte for that entire region and click Cerca for all Catarello in that area.Do the same for the LAZIO region where there are 3 other Catarello persons listed. Go to
www.gens.labo.net/en/cognomi for surname distribution thruout Italy which remains as Piemonte and Lazio. =Peter=