Cecily is a distinctive girls' name in United States, ranking #2071 in 2004 with 88 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has decreased by 33.3%. In 2004, approximately 1 in every 20,865 girls born was named Cecily. RISING Recent data shows the name is currently rising.