The given name Kiel has its origins in the German language and culture. It is believed to have emerged around the 13th century, deriving from the Old Germanic root word "kihl," which means "wedge" or "keel" (referring to the underside of a ship's hull). This connection suggests that the name may have been initially associated with maritime or seafaring occupations.

In its earliest forms, the name was spelled as "Kil" or "Kyl," eventually evolving into the modern spelling "Kiel." Historically, the name was particularly prevalent in northern Germany, especially in regions around the Baltic Sea, such as the city of Kiel, which lent its name to the Kiel Canal, a prestigious waterway connecting the North Sea and the Baltic.

While the name does not appear to have direct references in ancient texts or religious scriptures, it has been recorded in various historical documents and records throughout the centuries. One of the earliest known bearers of the name was Kiel von Rendsburg, a 14th-century German nobleman and landowner from the Duchy of Schleswig.

Another notable figure was Kiel Jensen (1546-1611), a Danish naval officer and explorer who led several expeditions to Greenland and is credited with mapping parts of the island's coastline. In the 18th century, Kiel Müller (1723-1789) was a German theologian and philosopher known for his contributions to the Enlightenment movement.

During the 19th century, Kiel Torgevallen (1815-1892) was a Norwegian politician and jurist who served as the Prime Minister of Norway from 1889 to 1891. Additionally, Kiel Michelsen (1879-1958) was a Danish sculptor and artist renowned for his monumental public works in Copenhagen and other cities.

In the 20th century, Kiel Reijnen (1923-2009) was a Dutch resistance fighter during World War II and later became a prominent politician and diplomat, serving as the Netherlands' Ambassador to the United Nations from 1979 to 1983.

These examples illustrate the diverse backgrounds and accomplishments of individuals who have borne the name Kiel throughout history, spanning various fields such as politics, exploration, religion, and the arts.