Kaelyn is a distinctive girls' name in United States, ranking #668 in 1999 with 343 recorded births. This places Kaelyn in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2009 with 997 births ranking #332. Since 1996, the popularity has increased by 15.1%. In 1999, approximately 1 in every 5,171 girls born was named Kaelyn. STABLE Recent data shows the name is currently stable.