Follari, very very rare, would seem to be Panitalian, although currently the most significant lineage is from Palermo, Follaro, equally rare, has instead a Roman stock, Folleri is absolutely rare and is panitalian, Follero, very very rare, it would seem of the Neapolitan, should all derived from the activity of magister follarius (craftsman fuller, preparer and finisher of wool), carried out by the progenitor.
Buy a heraldic document with your coat of arms
You may be interested
Verba Volant, Scripta Manent