Hailley is a distinctive girls' name in United States, ranking #4533 in 2004 with 30 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has increased by 66.7%. In 2004, approximately 1 in every 61,204 girls born was named Hailley. FALLING Recent data shows the name is currently falling.