Cecily is a distinctive girls' name in United States, ranking #1372 in 2013 with 170 recorded births. The name reached its all-time peak in 2014 with 244 births ranking #1061. Since 1996, the popularity has increased by 28.8%. In 2013, approximately 1 in every 10,320 girls born was named Cecily. RISING Recent data shows the name is currently rising.