Both very rare and probably from Puglia, Oscuri has a stock in San Ferdinando di Puglia in the Foggia area, Oscuro has some presence in the Bari area, they should be of Istrian origin and derive from the name of the Istrian village Oscurus di Sopra, the present Croatian Okorusia, probably the Croatian Okorusica, probable place of origin of the founders.
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