Clancy is a distinctive girls' name in United States, ranking #8916 in 2017 with 12 recorded births. The name reached its all-time peak in 1998 with 18 births ranking #5623. Since 1996, the popularity has decreased by 20.0%. In 2017, approximately 1 in every 143,823 girls born was named Clancy. STABLE Recent data shows the name is currently stable.