Keelyn is a distinctive boys' name in United States, ranking #8468 in 2013 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 2013, approximately 1 in every 210,139 boys born was named Keelyn. STABLE Recent data shows the name is currently stable.