The name Karlie is a modern English variation of the German name Karla, which is a feminine form of the male name Karl. The name Karl is derived from the Old German word "karl," meaning "free man" or "husband." The name's origins can be traced back to the 9th century AD.

Karlie is believed to have emerged as a diminutive or pet form of Karla in the late 20th century. While the name Karla has been in use for several centuries, the variation Karlie is relatively new and became more popular in English-speaking countries like the United States and United Kingdom in the late 1900s.

The name Karlie does not appear to have any direct historical references in ancient texts, religious scriptures, or notable historical records. However, its root name, Karl, has a significant historical presence, particularly in European history.

One of the earliest known individuals with the name Karlie was Karlie Lilia Efurd, an American actress born in 1995. Karlie Kloss, an American model and entrepreneur, was born in 1992 and has gained widespread recognition for her modeling career and philanthropic endeavors.

Karlie Justus Marlowe, an American actress, was born in 1988 and is known for her roles in various television series. Karlie Samuelson, an American basketball player born in 1994, played for the WNBA's Los Angeles Sparks and Chicago Sky.

Karlie Zamudio, an American soccer player born in 1991, has represented the United States national team and played professionally for clubs like the Western New York Flash and Sky Blue FC.

It's important to note that while these individuals are among the earliest recorded examples of people with the name Karlie, the name's modern popularity and usage may have led to many more individuals bearing this name in recent decades.