The name Thania has its origins in the Greek language, derived from the word "Thanatos," which means "death." It dates back to ancient Greek mythology, where Thanatos was the personification of death. The name was likely used as a way to honor or appease the god of death, though its precise origins are not entirely clear.

In ancient Greek texts, the name Thania is not commonly mentioned, though there are some references to the god Thanatos and the concept of death. The earliest recorded use of the name itself is from the 5th century BCE, where it appears on a few ancient inscriptions and pottery fragments found in Greece.

One of the earliest known individuals with the name Thania was a Greek philosopher who lived in the 4th century BCE. Little is known about her life, but she is mentioned briefly in the works of Plato and Aristotle as a student of Socrates.

In the 2nd century CE, there was a Roman woman named Thania who was a prominent patron of the arts. She is credited with commissioning several works of sculpture and architecture, though few of these have survived to modern times.

During the Byzantine Empire, in the 6th century CE, there was a nun named Thania who lived in a monastery in Constantinople (modern-day Istanbul). She is known for writing several treatises on theology and philosophy, which were influential in the Eastern Orthodox Church at the time.

In the 13th century, there was a Persian poet named Thania who wrote extensively about love and spirituality. Her poems were widely read and admired throughout the Middle East, and she is considered one of the most important figures in the Persian literary tradition.

Another notable bearer of the name was Thania of Aragon, a Spanish noblewoman who lived in the 15th century. She was a prominent figure at the court of King Ferdinand II of Aragon and played a significant role in the political and cultural life of the kingdom.

While the name Thania has its roots in ancient Greek culture, it has been used in various forms and variations across different regions and time periods. However, due to its association with the concept of death, it has remained a relatively uncommon name throughout history.