The name Jaclyn is a feminine given name derived from the Hebrew name Jacob, which means "supplanter" or "one who follows." The name has its origins in the Old Testament, where Jacob was one of the patriarchs and the son of Isaac and Rebekah.

The name Jaclyn is a variant spelling of the more common name Jacqueline, which originated in France as a feminine form of the French masculine name Jacques. The name Jacques is itself a French form of the Latin name Jacobus, which is derived from the Hebrew name Jacob.

While the name Jacob has a long history in various religious texts and historical records, the feminine variant Jaclyn is a more modern invention. The earliest recorded use of the name Jaclyn dates back to the late 19th century, when it began to gain popularity as an alternative spelling to Jacqueline.

One of the earliest recorded instances of the name Jaclyn can be found in the 1891 novel "The Master of the Mine" by Robert Buchanan, where a character named Jaclyn is mentioned. However, it was not until the 20th century that the name became more widespread.

Throughout history, there have been several notable individuals who have borne the name Jaclyn. One of the earliest was Jaclyn Blundell (1849-1916), an English author and novelist who wrote several works of fiction in the late 19th and early 20th centuries.

Another notable Jaclyn was Jaclyn Smith (born 1945), an American actress best known for her role as Kelly Garrett in the popular television series "Charlie's Angels" from 1976 to 1981.

In the world of sports, Jaclyn Litten (born 1976) was a Canadian gymnast who competed in the 1996 Summer Olympics and won a silver medal in the team event.

Jaclyn Hill (born 1990) is a contemporary American makeup artist, entrepreneur, and internet personality who has gained a significant following on social media platforms like YouTube and Instagram.

Jaclyn Victor (born 1974) is a Malaysian singer and actress who has had a successful career in the entertainment industry, releasing several albums and starring in numerous television shows and films.

These are just a few examples of notable individuals throughout history who have borne the name Jaclyn, showcasing its enduring popularity across various cultures and time periods.