Clancy is a distinctive girls' name in United States, ranking #9932 in 2010 with 11 recorded births. The name reached its all-time peak in 1998 with 18 births ranking #5623. Since 1996, the popularity has decreased by 26.7%. In 2010, approximately 1 in every 161,575 girls born was named Clancy. STABLE Recent data shows the name is currently stable.