Hailley is a distinctive girls' name in United States, ranking #5500 in 2005 with 23 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has increased by 27.8%. In 2005, approximately 1 in every 80,335 girls born was named Hailley. FALLING Recent data shows the name is currently falling.