Hailley is a distinctive girls' name in United States, ranking #15646 in 2012 with 6 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has decreased by 66.7%. In 2012, approximately 1 in every 293,457 girls born was named Hailley. FALLING Recent data shows the name is currently falling.