The surname Solitario originates from Italy, specifically from the regions of Tuscany and Umbria, where it first appeared in the late 13th century. The name is derived from the Italian word "solitario," meaning "solitary" or "alone," suggesting that the earliest bearers of this surname may have lived in isolation or seclusion.

One of the earliest recorded instances of the Solitario surname can be found in the "Codice Diplomatico Dantesco," a collection of documents related to Dante Alighieri, the renowned Italian poet. In these records, dated around 1300, a certain "Jacopo Solitario" is mentioned as a resident of Florence.

In the 14th century, the Solitario name appears in several historical records from the city of Perugia, located in the Umbria region. One notable mention is in the "Annali Decemvirali," a chronicle of events in Perugia from 1300 to 1390, where a "Niccolò Solitario" is listed as a prominent citizen.

The Solitario surname can also be traced back to the small town of Montefalco, located in the province of Perugia. In the 16th century, historical records mention a "Bartolomeo Solitario," a winemaker from Montefalco who was renowned for the quality of his wines.

Throughout history, several individuals with the surname Solitario have achieved notable recognition. One such figure was Giovanni Solitario (1560-1628), a celebrated painter from the city of Perugia, known for his religious works and portraits. Another notable bearer of the name was Felice Solitario (1675-1742), a Jesuit scholar and philosopher from Umbria, who wrote extensively on metaphysics and ethics.

In the 19th century, a family of Solitarios from Tuscany gained prominence in the field of medicine. Carlo Solitario (1812-1888) was a renowned physician and professor of anatomy at the University of Pisa, while his son, Giuseppe Solitario (1842-1912), followed in his footsteps and became a respected surgeon and medical researcher.

The Solitario surname continued to be represented across various fields, including literature and politics. One notable figure was Antonio Solitario (1895-1972), an Italian writer and journalist from Umbria, who was known for his novels and short stories depicting rural life in his region.

While the Solitario surname may have originated from a solitary or isolated lifestyle, its bearers have left an indelible mark on various aspects of Italian history and culture, ranging from art and literature to medicine and scholarship.