The Italkim are the oldest layer of Italian Jewish surnames. Most of their names fall into three groups.
Old family traditions. A few families, like Anau, De Pomis and De Rossi, kept a tradition that their ancestors were among four families brought from Jerusalem to Rome after the Temple fell. The rabbi and physician David de Pomis wrote it down in the 16th century. It is a family tradition, not a proven fact. Some names are Hebrew words in Italian form: Anau comes from
anav, "modest", and the same family also appears as degli Mansi, Piatelli, Pietosi and Umani. The Anau family can be found in Rome documents from the 10th century.
Town names from Lazio and central Italy. Many Roman Jewish families carry the name of the town they left when they moved to Rome, often after 1569: Di Segni (from Segni), Piperno (from Priverno), Sonnino, Terracina, Sermoneta, Tivoli, Dell'Ariccia (from Ariccia), Di Nepi (from Nepi), Di Cori (from Cori), Alatri. Most of these names are found almost only among the Jews of Rome.
Trades and roles. Funaro means rope maker. Della Seta is linked to silk. Orefice means goldsmith. Sacerdote, "priest", marks a family of
kohanim.
A surname tells you where to look, not what you will find. Some town names are also common among Christian families, and not every Roman family came to the city in 1569. Our
complete guide to Italian Jewish surnames covers the other branches too.