Halley is a distinctive girls' name in United States, ranking #3619 in 2015 with 43 recorded births. The name reached its all-time peak in 2000 with 180 births ranking #1136. Since 1996, the popularity has decreased by 67.9%. In 2015, approximately 1 in every 41,504 girls born was named Halley. FALLING Recent data shows the name is currently falling.