Kaylin is a distinctive girls' name in United States, ranking #620 in 2015 with 467 recorded births. This places Kaylin in the top 3% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2008 with 869 births ranking #377. In 2015, approximately 1 in every 3,822 girls born was named Kaylin. FALLING Recent data shows the name is currently falling.