Cayley is a distinctive girls' name in United States, ranking #2259 in 1999 with 66 recorded births. The name reached its all-time peak in 1998 with 75 births ranking #1994. Since 1996, the popularity has increased by 37.5%. In 1999, approximately 1 in every 26,875 girls born was named Cayley. STABLE Recent data shows the name is currently stable.