Clancy is a distinctive girls' name in United States, ranking #5623 in 1998 with 18 recorded births. The name reached its all-time peak in 1998 with 18 births ranking #5623. Since 1996, the popularity has increased by 20.0%. In 1998, approximately 1 in every 98,161 girls born was named Clancy. STABLE Recent data shows the name is currently stable.