Kaelyn is a moderately popular girls' name in United States, ranking #370 in 2006 with 879 recorded births. This places Kaelyn in the top 2% of ranked US girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2009 with 997 births ranking #332. Since 1996, the popularity has increased by 195.0%. In 2006, approximately 1 in every 2,163 girls born was named Kaelyn. STABLE Recent data shows the name is currently stable.