Kaylin is a distinctive girls' name in United States, ranking #1644 in 2025 with 126 recorded births. The name reached its all-time peak in 2008 with 869 births ranking #377. Since 1996, the popularity has decreased by 74.6%. In 2025, approximately 1 in every 12,756 girls born was named Kaylin. FALLING Recent data shows the name is currently falling.