Keelyn is a distinctive girls' name in United States, ranking #5935 in 1998 with 17 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2596. Since 1996, the popularity has increased by 70.0%. In 1998, approximately 1 in every 103,935 girls born was named Keelyn. FALLING Recent data shows the name is currently falling.