Cecily is a distinctive girls' name in United States, ranking #1808 in 2001 with 98 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has decreased by 25.8%. In 2001, approximately 1 in every 18,373 girls born was named Cecily. RISING Recent data shows the name is currently rising.