Caylin is a distinctive girls' name in United States, ranking #2636 in 2008 with 70 recorded births. The name reached its all-time peak in 2009 with 143 births ranking #1574. Since 1996, the popularity has decreased by 45.3%. In 2008, approximately 1 in every 27,010 girls born was named Caylin. FALLING Recent data shows the name is currently falling.