Kaylee is a modern English given name, most often for females. It is a combination of the name elements Kay and Lee. The name Kaylie is a variant spelling of Kaylee. The name gained popularity in the United States during the latter part of the 20th century and the early 21st century, peaking in 2009 when it ranked 26th among the most popular names for newborn girls. Although its popularity has declined since then, it remained among the top 200 names for American girls in 2023.