Orsi is specific to the area that includes Lombardy, Emilia, the Alessandria area, Liguria and upper Tuscany. Orso has a large nucleus in Veneto, but it also has significant presence in Piedmont, Campania and with a non-secondary lineage. in Palermo, Orsoni is specific to Bologna and Bolognese, they should derive from the medieval name Orso, quite common in Italy, of which we have an example in this act of 762 in the Longobard era: "... dum inter nos multas fuisset causaciones, peruenimus in presencia Glorious bear says, sed dum in ipsius presencia essemus, sicut super genius tuus omnia manifestauerat ... ", the same Ludovico Muratori writes:" ... a card of the year 722, from which it appears that Bear bears Lucca the monistry of Santa Maria with determining that Orsa his daughter exercises there the Abbazia di Badessa ... ", the name Orso is in turn derived from the Latin nomen Ursus.
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