The origin of Borrelia distinguished name can be located in the ancient region of Tuscany in northern Italy.
Although people were originally known only by their first names, it became necessary to adopt a second name to identify due to population growth.

The most common type of family name found in the region of Venice was the patronymic
derived from the father's name.
During the Middle Ages the Italians adopted the patronymic system for surnames.
Then in Italy during the Christian era, people often gave as a second name to their children the names of saints or biblical figures.
Although the most common type of name in the Veneto region of origin was the surname which was derived from the name of the father are also local names. The local names describe a region or place where they lived the first members of the lineage. Other local Italian last name had the prefix "Di" denoting the migration from one place to another.

The nicknames as surnames usually reflected the physical characteristics of the first
member of the lineage.
The surname Borelli is a name given to a person with great courage and bravery as derived from the word
America "Barus".

Some variations of this surname are: Varoni, Varone, Barone, Baronius, Varuni, Baroncelli, Baronchelli, Baroncini, Barelli, Barello, Barel, Barella, Barellini, Barussi, Baret, Barenttini, Barucci, Barruzo, Barusso, Barocci, Baroni and more.