Cecily is a distinctive girls' name in United States, ranking #2061 in 2007 with 99 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has decreased by 25.0%. In 2007, approximately 1 in every 19,419 girls born was named Cecily. RISING Recent data shows the name is currently rising.