The name Bryan is an English given name derived from the Old Celtic Brythonic word "brico" or "bricco", meaning "speckled" or "freckled". It is thought to have originated as a nickname for someone with a freckled complexion. The name was first recorded in England in the 11th century during the Norman Conquest.

The earliest known bearer of the name Bryan was Brian Boru, an Irish king who reigned from 1002 to 1014 CE. He is renowned for driving the Vikings out of Ireland and establishing himself as the High King of Ireland. The name Brian is a variation of Bryan, which later became more popular in England due to the Norman influence.

One of the most famous historical figures with the name Bryan was Bryan Falvier, a French knight and crusader who fought in the Third Crusade in the late 12th century. He was known for his bravery and skill in battle and is mentioned in several chronicles from that time.

Another notable bearer of the name was Bryan Fitzpatrick, an Irish chieftain who lived in the 14th century. He was the Lord of Ossory and played a significant role in the conflicts between the Irish clans and the Anglo-Norman settlers in Ireland during that period.

In the 15th century, Bryan Roche, an Irish-Norman nobleman and soldier, was a prominent figure in the Wars of the Roses in England. He fought for the House of York and was killed in the Battle of Wakefield in 1460.

Moving forward to the 16th century, Bryan Annesley was an English lawyer and politician who served as the Lord Keeper of the Great Seal under King Charles I. He played an important role in the political struggles leading up to the English Civil War.

These are just a few examples of historical figures who bore the name Bryan. The name has a rich history and has been used across various cultures and time periods, reflecting its enduring popularity and significance.