Keelyn is a distinctive girls' name in United States, ranking #4043 in 2006 with 37 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2596. Since 1996, the popularity has increased by 270.0%. In 2006, approximately 1 in every 51,380 girls born was named Keelyn. FALLING Recent data shows the name is currently falling.