The name Brianne has its origins in the Celtic languages, particularly the Breton and Welsh languages spoken in the regions of Brittany and Wales, respectively. It is a feminine form of the name Brian, which is derived from the Old Celtic word "bri," meaning "high" or "noble."

The earliest known record of the name Brianne dates back to the Middle Ages, around the 12th century. It was particularly popular in Brittany, where it was often used as a variant of the name Brienne. During this time, the name may have been associated with the nobility or upper classes due to its etymological meaning of "high" or "noble."

In ancient texts and historical records, the name Brianne is relatively scarce. However, there are a few notable individuals who bore this name throughout history. One of the earliest recorded instances is Brianne de Montfort, a French noblewoman who lived in the 13th century and was a member of the influential Montfort family.

Another notable figure was Brianne de Châtillon, a French aristocrat and courtier who lived during the reign of King Louis IX in the 13th century. She was known for her involvement in the Seventh Crusade and her role as a lady-in-waiting to the queen.

In the 16th century, Brianne de Lautrec was a French noblewoman and the wife of Count Odet de Foix, a prominent military commander during the Italian Wars. She played an important role in the management of her husband's estates and lands.

During the 17th century, Brianne de Montmorency was a French aristocrat and the daughter of Henri de Montmorency, a prominent military leader and member of the nobility. She was known for her involvement in the French Wars of Religion and her support for the Catholic cause.

In the 19th century, Brianne de Belleville was a French author and poet who gained recognition for her works exploring themes of love, nature, and spirituality. She was part of the Romantic literary movement and collaborated with notable writers of her time.

These are just a few examples of historical figures who bore the name Brianne, showcasing its presence and usage throughout various periods and regions, particularly in France and areas influenced by Celtic culture.