Kaylee is a modern English given name, most often for females, and is a combination of the name elements Kay and Lee. It is a variant of names like Kayleigh or Callie. 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. Despite a decline in popularity, it remained among the top 200 names for American girls in 2023.