The name Bianca is an Italian name derived from the Italian word "bianco" meaning "white." It has its origins in the Latin word "blancus," which also means "white" or "fair." The name was particularly popular during the Middle Ages and Renaissance periods in Italy.

Bianca was a common name among the Italian nobility and aristocracy. One of the earliest recorded instances of the name appears in Dante Alighieri's "Divine Comedy," written in the early 14th century. Dante mentions a character named Bianca in the "Purgatorio" section of his epic poem.

In the 14th century, Bianca di Savoia, also known as Bianca of Savoy, was the wife of Galeazzo II Visconti, the Lord of Milan. She was born in 1336 and played a significant role in the politics of the Visconti dynasty.

During the Renaissance period, Bianca Maria Sforza (1472-1510) was an influential figure. She was the daughter of Galeazzo Maria Sforza, the Duke of Milan, and was known for her patronage of the arts and her political influence.

In the 16th century, Bianca Cappello (1548-1587) was the Grand Duchess of Tuscany. She was born in Venice and became the second wife of Francesco I de' Medici, the Grand Duke of Tuscany, in 1579.

Another notable figure with the name Bianca was Bianca Milesi (1790-1849), an Italian painter and engraver who was active during the Neoclassical and Romantic periods. She was known for her portraits and historical paintings.

While the name Bianca has its roots in Italian culture, it has gained popularity in other parts of the world, particularly in English-speaking countries. However, the name's Italian heritage and the meaning of "white" or "fair" remain an integral part of its history and significance.