The name Nicklaus is derived from the Greek name Nikolaos, which is a combination of the words "niko" meaning "victory" and "laos" meaning "people." It was a popular name among early Christians, who admired Saint Nicholas, the 4th-century Bishop of Myra, known for his generosity and kindness.

The name Nicklaus has its roots in the Byzantine Empire, where it was widely used. As Christianity spread, the name traveled westward and gained popularity across Europe. Over time, variations such as Nicholas, Nikolas, and Nicklaus emerged in different regions.

One of the earliest recorded instances of the name Nicklaus can be found in the 12th-century writings of the German scholar and mystic, Hildegard of Bingen. She mentioned a monk named Nicklaus von Munzenberg, who was instrumental in spreading the teachings of the Benedictine order.

In the 13th century, the name Nicklaus was associated with Saint Nicholas of Flüe, a Swiss hermit and mystic, who played a significant role in promoting peace during the Old Swiss Confederacy. His feast day is celebrated annually on March 21st in Switzerland.

Another notable figure with the name Nicklaus was Nicklaus Copernicus, the renowned Polish astronomer and mathematician, born in 1473. His groundbreaking work on the heliocentric model of the solar system revolutionized our understanding of the universe.

In the realm of literature, Nicklaus Lenau, born in 1802, was a prominent Austrian poet and writer known for his melancholic and introspective works. His poems explored themes of nature, love, and the human condition.

During the 20th century, one of the most famous individuals with the name Nicklaus was the legendary American golfer, Jack Nicklaus, born in 1940. He won a record 18 major championships and is widely regarded as one of the greatest players in the history of the sport.