The surname Beccaria derives from an occupational name connected with the meat trade and the operation of a butcher’s shop. The authors agree that it originated as a professional surname identifying individuals engaged in the preparation, sale, or processing of meat.

According to E. Giraudo, the surname comes from an Old Italian term referring to the sale of meat from the becco (“male goat”), probably derived from the pre-Roman root bek. The word was equivalent to what later became a butcher’s shop, known in Piedmontese as bëccheria. As a surname, it originated from a trade nickname and is documented as early as the 13th century, with forms such as Becharia recorded in 1276.

V. Blunda offers a complementary interpretation from the perspective of Sicilian onomastics. He traces the surname to the Sicilian dialect word beccarìa, meaning “butcher’s shop.” Originally, the term designated a place where animals were slaughtered and meat was sold, particularly kid goat (beccu), and later came to refer more generally to any urban butcher’s establishment. As a surname, it would have identified the owner of such a business or his descendants.

Taken together, these interpretations point to a common occupational origin. Whether derived from the trade itself or from the establishment where the activity was carried out, Beccaria belongs to the large group of Italian surnames that preserve the memory of medieval professions and commercial activities. It is closely related to surnames such as Beccaro, which share the same historical and lexical background.