Hailley is a distinctive girls' name in United States, ranking #3915 in 2002 with 33 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has increased by 83.3%. In 2002, approximately 1 in every 54,449 girls born was named Hailley. FALLING Recent data shows the name is currently falling.