Keelyn is a distinctive boys' name in United States, ranking #6579 in 1998 with 9 recorded births. The name reached its all-time peak in 2011 with 19 births ranking #4911. Since 1996, the popularity has increased by 80.0%. In 1998, approximately 1 in every 212,369 boys born was named Keelyn. STABLE Recent data shows the name is currently stable.