The name Keneth is a variant of the Scottish name Kenneth, which is derived from the Gaelic name Cinneidigh. The name Cinneidigh is composed of two elements: the Gaelic word "cionn," meaning "head," and the Old Celtic word "aidh," meaning "fire" or "born of fire." Together, the name Keneth can be interpreted as "born of fire" or "chief" or "leader."

The name Keneth has its roots in the ancient Celtic culture and can be traced back to the early medieval period in Scotland. It was initially popular among the ruling classes and nobility in Scotland, and some of the earliest recorded instances of the name date back to the 11th century.

One of the most notable historical figures with the name Keneth was Kenneth I, who ruled as the King of the Picts and the King of Scots from 843 to 858 AD. He is credited with uniting the Picts and the Scots into one kingdom, laying the foundation for the modern nation of Scotland.

Another famous bearer of the name was Kenneth III, who reigned as the King of Scots from 997 to 1005 AD. During his reign, he worked to strengthen the kingdom's defenses against Viking invasions and helped solidify the Christian faith in Scotland.

In the 12th century, Kenneth Sutherland, the 5th Earl of Sutherland, was a prominent Scottish nobleman who played a significant role in the Wars of Scottish Independence against England.

In the 14th century, Kenneth of Deskford, a Scottish nobleman and cleric, served as the Bishop of Moray from 1362 to 1390. He was highly influential in the Scottish Church during his time.

In more recent history, Kenneth Graham (1859-1932) was a renowned English author best known for his children's classic "The Wind in the Willows," which features characters with names derived from the name Kenneth, such as Mr. Toad and Ratty.

While the name Keneth has its origins in Scotland and the ancient Celtic culture, it has since gained popularity and been used in various parts of the world, particularly in English-speaking countries. However, it is still most commonly associated with its Scottish heritage and the rich history and traditions of the region.