Cayley is a distinctive girls' name in United States, ranking #6615 in 2011 with 19 recorded births. The name reached its all-time peak in 1998 with 75 births ranking #1994. Since 1996, the popularity has decreased by 60.4%. In 2011, approximately 1 in every 92,569 girls born was named Cayley. STABLE Recent data shows the name is currently stable.