The name Kyra has its origins in the Greek language, deriving from the word "kyrios," meaning "lord" or "master." It is believed to have emerged around the 5th century AD during the Byzantine era in the regions of Greece and Asia Minor.

One of the earliest recorded instances of the name can be found in the works of the 6th-century Greek historian Procopius, who mentioned a woman named Kyra in his writings about the Byzantine Empire.

In ancient Greek mythology, Kyra was also the name of one of the Oceanids, the three thousand daughters of the Titans Oceanus and Tethys. This association with Greek mythology likely contributed to the name's popularity and endurance over time.

During the Middle Ages, the name Kyra gained recognition as a variant of the name Cyrilla, which was borne by several early Christian saints and martyrs. One notable example is Saint Cyrilla of Tarsus, a 4th-century martyr who was venerated for her unwavering faith.

Throughout history, the name Kyra has been carried by various notable individuals, including:

1. Kyra Korinth (c. 1100 AD), a Byzantine noblewoman and influential figure in the court of Emperor Alexios I Komnenos.
2. Kyra Theodora (c. 1240 AD), a Byzantine princess and daughter of Emperor John III Vatatzes.
3. Kyra Tamara (c. 1365 AD), a Georgian princess and member of the Bagrationi dynasty.
4. Kyra Kontari (c. 1425 AD), a Greek Renaissance poet and scholar from Crete.
5. Kyra Theodora Kantakouzene (c. 1500 AD), a Byzantine noblewoman and patron of the arts during the Renaissance period.

The name Kyra has maintained its presence throughout the centuries, with variations in spelling and pronunciation appearing in different cultures and languages. Its deep-rooted connections to Greek history, mythology, and Byzantine heritage have contributed to its enduring appeal and significance.