Callara, absolutely very rare, has a small stock in Anagni in frusinate and one in Colle Sannita in Benevento, Callari is specific to Sicily, with a stock also in the province of Rome, Callaro, almost unique, is from Benevento, could derive from the praenomen Latin Callarus, a hypothesis to be taken into consideration is that in some cases they may also derive from the name of Castrum de Callari (ancient name of Cagliari). additions provided by Stefano Ferrazzi A mainly Sicilian surname, with a minor lineage perhaps in Lazio, could derive from the dialectal word caddaru, which indicated a large pot used in cheese making dairies. It would therefore be a question of the surname of a nickname derived from a trade, another possible origin of Callari would see the dialectal term callara, which generally indicates a pot, a boiler: it can then be assumed that callara was a trade name attributed to a calderaio (called, in fact, also callarale) and that this was the activity of the progenitor. additions provided by Giovanni Vezzelli Callari is a Sicilian and Calabrian surname and is the Italianization of the Greek surname Kalláris. In the XVIII century it was the name of a notary in Oppido. Rohlfs 60.
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