Kennedy is an English given name with Scottish Gaelic origins. The name is derived from the Scottish Gaelic word "Cinneidigh", which means "ugly head" or "misshapen head". This name was originally a descriptive nickname or byname referring to a person's physical appearance.

The name Kennedy has a long history, with records dating back to the 13th century. One of the earliest known bearers of the name was Gillespic Cennedight, who lived in Ayrshire, Scotland in the early 1200s. The name was particularly prevalent in the Scottish Highlands and Islands.

Throughout history, the name Kennedy has been associated with several notable individuals. In the 15th century, there was Kennedy of Dunure, a Scottish nobleman and prelate who served as Bishop of St Andrews from 1437 to 1440. Another notable bearer of the name was John Kennedy, a Scottish philosopher and humanist scholar who lived in the 16th century.

Perhaps the most famous person with the given name Kennedy was John F. Kennedy (1917-1963), the 35th President of the United States. Kennedy's presidency was marked by significant events such as the Cuban Missile Crisis, the Space Race, and the Civil Rights Movement. His assassination in 1963 was a defining moment in American history.

Other notable individuals with the given name Kennedy include Kennedy Davenport, an American drag queen and reality television personality, and Kennedy Leigh, an American actress and model. Kennedy Nzechowski, a Canadian figure skater, and Kennedy Brown, an American professional basketball player, are also individuals with this given name.

While the name Kennedy originated as a descriptive nickname in Scotland, it has since gained worldwide recognition and has been adopted across various cultures and societies. The name's association with prominent figures, particularly in politics and public life, has contributed to its enduring popularity and significance in modern times.