Hailley is a distinctive girls' name in United States, ranking #7900 in 2001 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 2001, approximately 1 in every 138,505 girls born was named Hailley. FALLING Recent data shows the name is currently falling.