The name Blanca originated from the Spanish language, derived from the word "blanco" meaning "white" or "fair". This name has been in use since the Middle Ages in Spain and other Spanish-speaking regions.

The name Blanca was popular among the Spanish nobility and upper classes during the medieval period. It was often given to children with fair complexions or blonde hair, reflecting the name's meaning.

One of the earliest recorded references to the name Blanca can be found in the 13th-century literary work "El Libro de Buen Amor" by Juan Ruiz, Arcipreste de Hita. In this work, Blanca is mentioned as the name of a character.

Throughout history, several notable individuals have been named Blanca. One of the most famous was Blanca of Navarre (1387-1441), who was the Queen of Navarre from 1425 until her death. She played a significant role in the political affairs of the Kingdom of Navarre during her reign.

Another prominent figure with the name Blanca was Blanca de Castilla (1188-1252), who was the Queen consort of France from 1223 to 1226. She was the daughter of King Alfonso VIII of Castile and acted as regent for her son, Louis IX, during his minority.

In the realm of literature, Blanca de los Ríos (1859-1956) was a Spanish writer, critic, and educator. She was a prominent figure in the Spanish literary circles of the late 19th and early 20th centuries.

The name Blanca also appears in religious contexts. Blessed Blanca of Palencia (1252-1321) was a Spanish nun and mystic who lived in the 13th and 14th centuries. She is recognized as a Blessed by the Catholic Church.

In the world of art, Blanca Luz Brum (1905-1995) was a renowned Uruguayan painter and sculptor. Her works are celebrated for their exploration of abstract forms and geometric shapes.

While the name Blanca has its roots in Spanish-speaking regions, it has gained popularity in other cultures and languages over time. The name's association with purity, fairness, and elegance has contributed to its enduring appeal across various cultures and eras.