The given name Demetris is derived from the Greek name Demetrios, which has its roots in the ancient Greek goddess Demeter, the goddess of agriculture, grain, and fertility. This name was widely used in ancient Greece and the broader Hellenic world during classical antiquity.

The name Demetrios is believed to have originated from the Greek word "demetria," which means "daughter of the mother earth." It was a common practice in ancient Greece to name individuals after revered deities, highlighting the cultural significance of the name.

One of the earliest known references to the name Demetrios can be found in the works of ancient Greek historians and writers, such as Plutarch and Diodorus Siculus. They mention several historical figures bearing this name, including Demetrius I Poliorcetes, a king of Macedon who lived from 336 BC to 283 BC and was known for his military campaigns and siege warfare tactics.

Another notable figure was Demetrius of Phaleron, an Athenian orator, statesman, and philosopher who lived from 350 BC to 280 BC. He played a crucial role in the governance of Athens during the late 4th century BC and was renowned for his reforms and promotion of education.

In the realm of philosophy, Demetrius the Cynic was a Cynic philosopher who lived in the 3rd century BC. He was known for his ascetic lifestyle and teachings on virtue and self-sufficiency.

During the Byzantine era, the name Demetris continued to be popular, with several Byzantine emperors bearing the name, including Demetrius Palaeologus, who reigned as co-emperor from 1379 to 1391.

In the realm of literature, Demetrius of Alexandria was a Greek grammarian and literary critic who lived in the late 2nd century BC. He wrote extensively on the works of Homer and other ancient Greek authors, contributing to the preservation and understanding of classical literature.

These are just a few examples of notable individuals throughout history who bore the name Demetris or its variants, demonstrating its enduring presence and cultural significance across various eras and disciplines.