Hailley is a distinctive girls' name in United States, ranking #12405 in 2013 with 8 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has decreased by 55.6%. In 2013, approximately 1 in every 219,302 girls born was named Hailley. FALLING Recent data shows the name is currently falling.