Tiana is a given name with origins traced back to the ancient Roman era. It is derived from the Latin name Titiana, a feminine form of the Roman family name Titius. The name Titius itself is believed to have originated from the Latin word "titus," meaning a honorable or distinguished person.

The earliest recorded use of the name Tiana dates back to the 1st century AD, when it appeared in Roman inscriptions and historical records. During this time, the Roman Empire spanned across Europe, North Africa, and parts of the Middle East, which likely contributed to the name's spread and popularity among various cultures.

In medieval times, the name Tiana was occasionally used in certain regions of Europe, particularly in Italy and France. However, it remained relatively uncommon until the Renaissance period, when a renewed interest in classical Roman culture and names emerged.

One of the earliest notable individuals named Tiana was a Roman noblewoman named Tiana Claudia, who lived in the 2nd century AD. She was known for her philanthropic efforts and patronage of the arts.

Another historical figure with the name Tiana was Tiana of Antioch, a Christian martyr who lived in the 3rd century AD. She was executed during the persecution of Christians under the Roman Emperor Diocletian.

In the Middle Ages, a nun named Tiana di Firenze (1235-1310) gained recognition for her piety and charitable works in Florence, Italy.

During the Renaissance, a Italian painter named Tiana Vecellio (1508-1576) became renowned for her religious and mythological works, which were highly influential in the Venetian art scene.

In the 19th century, Tiana Cavendish (1820-1894) was a British aristocrat and philanthropist known for her efforts in promoting education and women's rights.

While the name Tiana has remained relatively uncommon throughout history, it has garnered renewed popularity in recent decades, especially in certain regions of the world. However, its roots can be traced back to the ancient Roman era, reflecting a rich cultural heritage and historical significance.