Hailley is a distinctive girls' name in United States, ranking #5089 in 1997 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 1997, approximately 1 in every 87,033 girls born was named Hailley. FALLING Recent data shows the name is currently falling.