Hailley is a distinctive girls' name in United States, ranking #9593 in 2009 with 12 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has decreased by 33.3%. In 2009, approximately 1 in every 153,073 girls born was named Hailley. FALLING Recent data shows the name is currently falling.