Passamonte has a Roman and a Sicilian lineage, Passamonti has a stock in the province of Sondrio, a Roman one and one between the provinces of Ascoli Piceno and Teramo, additions provided by Fabio Paolucci Passamonti would seem a surname typical of central Italy, more precisely of the Adriatic coast of Marche and Abruzzo and Lazio. There is no lack of other stocks in Umbria and in Lombardy. Passamonti seems to derive from the expression pass the mountains, attributed in the past to those shepherds who used to devote themselves to the transhumance of cattle spending the warm months in high areas and cold periods in the plains below, along the so-called tratturi, millennial lanes.
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