Beau is a French name derived from the Old French word "beau" meaning "handsome" or "beautiful." The name has been in use since the Middle Ages and was initially used as a nickname or descriptive term rather than a formal given name.

The earliest recorded use of Beau as a given name dates back to the 13th century in France. During this time, it was common for people to adopt descriptive nicknames based on physical characteristics or virtues, and Beau likely emerged as a complimentary term for an attractive individual.

One of the earliest notable individuals with the name Beau was Beau Brummell (1778-1840), an influential English gentleman and arbiter of men's fashion in the Regency era. His impeccable style and attention to detail set the standard for men's dress in the early 19th century, and the term "Beau Brummell" became synonymous with elegance and refinement.

Another famous Beau in history was Beau Nash (1674-1761), a celebrated English dandy and master of ceremonies at the city of Bath. He played a significant role in establishing Bath as a fashionable resort town and was known for his wit, charm, and love of extravagance.

In the realm of literature, Beau Tibault is a prominent character in William Shakespeare's play "Henry VI, Part 2." Tibault is a French nobleman and a supporter of the House of York during the Wars of the Roses. The name Beau was likely chosen to reflect his noble and handsome character.

One of the earliest recorded instances of Beau as a given name in the United States was Beau Brummell Browne (1779-1861), an American soldier and politician from Kentucky. He served in the War of 1812 and later became a prominent figure in Kentucky politics.

Another notable American with the name Beau was Beau Hickory (1913-1964), a professional wrestler from Texas. He was known for his flamboyant persona and showmanship in the ring, embodying the spirit of the name Beau.

Over time, the name Beau has transcended its original French roots and has been adopted globally, particularly in English-speaking countries. While it retains its association with attractiveness and charm, it has also become a popular choice for parents seeking a unique and stylish name for their children.