The name Eleftheria originates from the Greek language and culture. It is derived from the Greek word "eleutheria," which means "freedom" or "liberty." This name has been used in Greece for centuries and has deep historical roots.

One of the earliest recorded uses of the name Eleftheria can be found in ancient Greek literature and philosophy. The concept of freedom and liberty was highly valued in ancient Greek society, and the name Eleftheria was often given to children as a symbol of these ideals. In the works of philosophers such as Plato and Aristotle, the concept of eleutheria is discussed extensively.

During the Byzantine era, the name Eleftheria continued to be used, though it was less common than other Greek names. However, it experienced a resurgence in popularity during the Greek War of Independence against the Ottoman Empire in the early 19th century. Many Greek families chose to name their daughters Eleftheria as a symbol of their desire for freedom and independence.

One of the most notable historical figures named Eleftheria was Eleftheria Arvanitaki (1884-1958), a Greek actress and singer who was a prominent figure in the Greek National Theatre and performed in many plays and operas. Another famous Eleftheria was Eleftheria Dinou (1887-1977), a Greek archaeologist and one of the first women to study archaeology in Greece.

In the 20th century, the name Eleftheria gained popularity outside of Greece as well. Eleftheria Shaginyan (1888-1982) was a Soviet writer and playwright of Armenian descent who wrote several novels and plays that were popular in the Soviet Union.

Another notable figure was Eleftheria Papagheorghiou (1928-2020), a Greek Cypriot politician and activist who played a significant role in the Cypriot independence movement and served as a member of the Cypriot parliament.

Eleftheria Arvanitaki (1957-), a Greek singer and songwriter, has also carried on the legacy of this name. She is known for her contributions to the rebetiko and laïko music genres and has released several successful albums throughout her career.

With its strong historical and cultural significance, the name Eleftheria continues to be a popular choice among Greek families and those of Greek descent, serving as a reminder of the enduring value of freedom and liberty.