Kaeley is of American origin and means "pure". It is a variant spelling of Kaylee, which itself is a modern creation inspired by traditional names like Catherine and Kay. The name has gained popularity in recent years due to its unique sound and association with the character Kaylee Frye from the television series Firefly. Kaeley has been ranked among the top 1000 baby girl names in the United States since 2008, indicating its rising popularity.
"The name Kaeley experienced a steady increase in popularity from the late 1980s to the late 1990s, peaking at 47 births in 1998. However, it has since declined significantly, with only 5 births recorded in 2023."