Hailley is a distinctive girls' name in United States, ranking #6440 in 2006 with 20 recorded births. The name reached its all-time peak in 2000 with 36 births ranking #3611. Since 1996, the popularity has increased by 11.1%. In 2006, approximately 1 in every 95,054 girls born was named Hailley. FALLING Recent data shows the name is currently falling.