Caylin is a distinctive girls' name in United States, ranking #2350 in 1999 with 63 recorded births. The name reached its all-time peak in 2009 with 143 births ranking #1574. Since 1996, the popularity has decreased by 50.8%. In 1999, approximately 1 in every 28,155 girls born was named Caylin. FALLING Recent data shows the name is currently falling.