Keelyn is a distinctive girls' name in United States, ranking #3074 in 2011 with 55 recorded births. The name reached its all-time peak in 2010 with 70 births ranking #2596. Since 1996, the popularity has increased by 450.0%. In 2011, approximately 1 in every 31,978 girls born was named Keelyn. FALLING Recent data shows the name is currently falling.