Cecily is a distinctive girls' name in United States, ranking #1801 in 2000 with 96 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has decreased by 27.3%. In 2000, approximately 1 in every 18,916 girls born was named Cecily. RISING Recent data shows the name is currently rising.