Cecily is a distinctive girls' name in United States, ranking #2006 in 2002 with 87 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has decreased by 34.1%. In 2002, approximately 1 in every 20,653 girls born was named Cecily. RISING Recent data shows the name is currently rising.