Kaylin is a moderately popular girls' name in United States, ranking #450 in 2000 with 632 recorded births. This places Kaylin in the top 3% of ranked US girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2008 with 869 births ranking #377. Since 1996, the popularity has increased by 27.4%. In 2000, approximately 1 in every 2,873 girls born was named Kaylin. FALLING Recent data shows the name is currently falling.