The given name Augusto has its origins in Ancient Rome, derived from the Latin word "augustus" which means "venerable" or "consecrated". It was initially a title bestowed upon the first Roman emperor, Octavian, in 27 BC, after which he became known as Augustus Caesar. The name gained widespread popularity across the Roman Empire and throughout the centuries.

One of the earliest recorded uses of the name Augusto can be found in the writings of the Roman historian Suetonius, who chronicled the lives of the Roman emperors, including Augustus Caesar himself. The name also appears in various ancient texts and historical records from the Roman era.

In the Middle Ages, the name Augusto was associated with several notable figures, including St. Augustine of Hippo (354-430 AD), a renowned philosopher and theologian whose works had a profound impact on Western Christianity. Another prominent bearer of the name was Augustus the Strong (1670-1733), the Elector of Saxony and King of Poland, known for his military prowess and cultural patronage.

During the Renaissance, the name experienced a resurgence in popularity, particularly in Italy. One of the most famous individuals named Augusto from this period was the Italian painter and architect Augusto Buonafede (1506-1572), who was renowned for his frescoes in churches and palaces throughout Italy.

In the 19th century, the name gained further recognition with the birth of the Brazilian emperor Dom Pedro II (1825-1891), whose full name was Pedro de Alcântara João Carlos Leopoldo Salvador Bibiano Francisco Xavier de Paula Leocádio Miguel Gabriel Rafael Gonzaga de Bragança e Bourbon, and who was often referred to as Augusto.

Another notable figure with the name Augusto was the Italian composer Augusto Rotoli (1847-1924), who wrote several operas and orchestral works and was a prominent figure in the musical scene of his time.

Throughout history, the name Augusto has been borne by various individuals from different walks of life, including writers, artists, politicians, and military leaders, reflecting its enduring appeal and rich cultural heritage.