Cecily is a distinctive girls' name in England & Wales, ranking #916 in 2005 with 30 recorded births. The name reached its all-time peak in 2025 with 78 births ranking #514. Since 1996, the popularity has increased by 42.9%. In 2005, approximately 1 in every 9,608 girls born was named Cecily. RISING Recent data shows the name is currently rising.