The name Alexia has its roots in the Greek language, derived from the word "alexo," which means "to defend" or "to help." It is a feminine form of the name Alexander, which was a popular name among ancient Greek rulers and warriors.

The name Alexia first gained prominence in ancient Greece, where it was associated with strength, courage, and protection. It was often given to girls born into noble families, as it symbolized the qualities that were highly valued in that society.

One of the earliest recorded uses of the name Alexia can be found in the works of ancient Greek authors, such as Plutarch and Pausanias, who mentioned women bearing this name in their writings. However, there are no significant historical figures from that era solely known by the name Alexia.

During the Byzantine era, the name Alexia became more widespread, particularly among the Eastern Orthodox Christian community. It was sometimes associated with the idea of defending the faith, as the name's meaning resonated with the religious values of the time.

In the Middle Ages, the name Alexia was relatively uncommon in Western Europe, but it saw a resurgence in popularity during the Renaissance period. One notable figure from this time was Alexia Falconieri (1200-1310), an Italian nun and founder of the Order of the Servants of Mary, who is now venerated as a saint in the Catholic Church.

As the use of the name spread across Europe, it gained various spelling variations, such as Alexia, Alexya, and Alecia. In the 19th century, the name became more popular in English-speaking countries, and several notable women bore the name:

1. Alexia Procter (1825-1876), an English novelist and essayist.
2. Alexia von Arnim (1828-1876), a German writer and novelist.
3. Alexia Kharitonov (1892-1975), a Russian-born American sculptor.
4. Alexia Besset (1893-1965), a French actress and singer.
5. Alexia Echevarría (born 1967), an American television personality and businesswoman.

While the name Alexia has maintained a consistent presence throughout history, its popularity has ebbed and flowed in different regions and time periods, reflecting the cultural and linguistic influences that have shaped its evolution.