Hailley is a distinctive girls' name in United States, ranking #9187 in 2007 with 13 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has decreased by 27.8%. In 2007, approximately 1 in every 147,881 girls born was named Hailley. FALLING Recent data shows the name is currently falling.