Cayley is a distinctive girls' name in United States, ranking #6431 in 2010 with 20 recorded births. The name reached its all-time peak in 1998 with 75 births ranking #1994. Since 1996, the popularity has decreased by 58.3%. In 2010, approximately 1 in every 88,866 girls born was named Cayley. STABLE Recent data shows the name is currently stable.