The name Campbell has its origins in the Gaelic language, specifically from the Scottish Highlands. It is derived from the Gaelic words "cam" meaning crooked, and "beul" meaning mouth or entrance, likely referring to a geographical feature such as a bay or valley.

The earliest recorded use of the name Campbell dates back to the 13th century in Scotland, where it was initially a surname. The Campbell clan was one of the most powerful and influential Scottish clans, particularly in the region of Argyll.

One of the earliest and most notable figures with the name Campbell was Sir Nigel Campbell, who lived in the late 13th century and was a prominent Scottish knight and military commander. He played a significant role in the Wars of Scottish Independence against England.

In the 15th century, Duncan Campbell of Lochow, also known as Duncan Campbell of Argyll, was a Scottish nobleman and Lord of Argyll. He was a prominent figure in the political and military affairs of Scotland during his time.

In the 16th century, Archibald Campbell, 5th Earl of Argyll, was a Scottish nobleman and Protestant Reformer. He played a crucial role in the Scottish Reformation, supporting the Protestant cause against the Catholic church.

In the 17th century, John Campbell, 1st Earl of Breadalbane, was a Scottish nobleman and politician. He was a prominent figure in the Jacobite risings and played a significant role in the political affairs of Scotland during that period.

In the 18th century, John Campbell, 4th Earl of Loudoun, was a Scottish nobleman and British Army officer. He served as the Governor of Virginia from 1756 to 1759 and played a role in the French and Indian War.

These are just a few examples of notable figures throughout history who bore the name Campbell, highlighting its strong connection to Scottish history and culture.