The name Wilber is an English name derived from the Germanic elements "wil" meaning "will" or "desire" and "berht" meaning "bright" or "famous." It is believed to have originated in the Middle Ages, around the 12th or 13th century, when many names were formed by combining various Germanic root words.

One of the earliest recorded instances of the name Wilber can be found in the Domesday Book, a comprehensive record of landowners and tenants in England compiled in 1086 under the orders of William the Conqueror. The name appeared as "Wilbertus" or "Wilbertus Clericus," indicating that it was likely used by members of the clergy at that time.

In the 13th century, a man named Wilber de Lisle was listed as a landholder in the county of Oxfordshire, England. This record provides evidence of the name's continued use during the medieval period.

Throughout history, several notable individuals have borne the name Wilber. One of the most famous was Wilber Wright (1867-1912), the pioneering American aviator who, along with his brother Orville, achieved the first successful powered flight in 1903.

Another prominent figure was Wilber Wilcox (1888-1964), an American engineer and businessman who played a significant role in the development of the oil refining industry in the early 20th century.

In the realm of literature, Wilber Daniel Steele (1869-1938) was an American short story writer and novelist best known for his works set in the American West.

Wilber Marion Brucker (1894-1968) was the 20th United States Secretary of the Army, serving under President Dwight D. Eisenhower from 1955 to 1961.

Wilber Atkinson (1919-1997) was an American professional basketball player who spent most of his career with the Philadelphia Warriors in the 1940s and 1950s.

While the name Wilber has seen varying levels of popularity over the centuries, it remains a part of the English naming tradition, carrying with it a rich linguistic history and associations with notable individuals from various fields.