Cecily is a distinctive girls' name in United States, ranking #1913 in 2011 with 104 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has decreased by 21.2%. In 2011, approximately 1 in every 16,912 girls born was named Cecily. RISING Recent data shows the name is currently rising.