Cayley is a distinctive girls' name in United States, ranking #5429 in 2012 with 25 recorded births. The name reached its all-time peak in 1998 with 75 births ranking #1994. Since 1996, the popularity has decreased by 47.9%. In 2012, approximately 1 in every 70,430 girls born was named Cayley. STABLE Recent data shows the name is currently stable.