Kaylee is a moderately popular girls' name in United States, ranking #255 in 2025 with 1,205 recorded births. The name reached its all-time peak in 2009 with 7,219 births ranking #26. Since 1996, the popularity has decreased by 57.0%. In 2025, approximately 1 in every 1,334 girls born was named Kaylee. FALLING Recent data shows the name is currently falling.
Kaylee is a cheerful modern name with a soft, familiar sound. It is usually treated as a contemporary formation rather than a single old traditional name.
The name gained ground in the late twentieth century alongside many -lee and -ley ending names. Its popularity reflects the appeal of friendly, easy-to-say modern spellings.