Cayley is a distinctive girls' name in United States, ranking #7933 in 2017 with 14 recorded births. The name reached its all-time peak in 1998 with 75 births ranking #1994. Since 1996, the popularity has decreased by 70.8%. In 2017, approximately 1 in every 123,277 girls born was named Cayley. STABLE Recent data shows the name is currently stable.