The name Lyndon has its origins in the Old English language. It is derived from the words "lind," meaning lime or linden tree, and "dun," meaning hill or down. Therefore, the name can be interpreted as "lime tree hill" or "linden tree hill."

One of the earliest recorded instances of the name dates back to the Domesday Book, a detailed survey of England and parts of Wales completed in 1086 by order of William the Conqueror. In this document, the name appears as "Lindune" and "Lindon," referring to various places and settlements.

During the Middle Ages, the name Lyndon was primarily used as a surname or a place name, rather than a personal name. However, some historical figures bore this name, including Lyndon de Hechefeld, a 13th-century landowner in Herefordshire, England.

In the 16th century, the name gained popularity as a given name, particularly among the gentry and upper classes in England. One notable bearer of the name was Sir Lyndon Ferrers (1550-1624), a member of Parliament and High Sheriff of Warwickshire.

As the British Empire expanded, the name Lyndon spread to other parts of the world. In the United States, one of the earliest recorded individuals with this name was Lyndon Seager, born in Massachusetts in 1635.

The most famous person bearing the name Lyndon is undoubtedly Lyndon B. Johnson (1908-1973), the 36th President of the United States. He served from 1963 to 1969 and is known for his domestic policies such as the "Great Society" programs and his involvement in the Vietnam War.

Other notable individuals with the name Lyndon include:

1. Lyndon Dykes (born 1995), a Scottish professional footballer.
2. Lyndon Byers (born 1981), a Canadian former professional ice hockey player.
3. Lyndon Brock (born 1966), a Canadian former professional ice hockey player.
4. Lyndon La Touche (1828-1896), an Irish first-class cricketer.

While the name Lyndon has its roots in Old English, it has been used across various cultures and regions over the centuries. Its association with historical figures and notable individuals has contributed to its enduring legacy as a given name.