The name Kaylee is an English name that originated in the late 20th century. It is a variation of the name Kayla, which is derived from the Hebrew name Kaʻila, meaning "laurel plant." The name Kaʻila is a biblical name mentioned in the Book of Numbers as one of the wives of Lamech.

The first known recorded use of the name Kaylee dates back to the 1960s, when it was used as a variant spelling of Kayla. It gained popularity in the United States in the 1990s, likely influenced by the TV show "Firefly," which featured a character named Kaylee Frye, played by Jewel Staite.

One of the earliest recorded individuals with the name Kaylee was Kaylee DeFer, an American actress born in 1986. She is best known for her roles in movies such as "Gossip" and "The Twilight Saga: Breaking Dawn - Part 1."

Another notable figure named Kaylee is Kaylee Hartung, an American journalist and sportscaster born in 1985. She has worked for various networks, including ESPN and ABC News.

In literature, the name Kaylee appears in the novel "The Sisterhood of the Traveling Pants" by Ann Brashares, published in 2001. One of the main characters is named Kaylee.

Kaylee Preston, born in 1988, is an American adult film actress and model. She has won several awards in the adult entertainment industry.

Kaylee Merrill, born in 1994, is a Canadian actress known for her role as Juliette Holliday on the TV series "The Tomorrow People."

While the name Kaylee is relatively modern, it has gained popularity in recent decades and has been used by several notable individuals across various fields, including acting, journalism, and literature.