Cecily is a distinctive girls' name in England & Wales, ranking #835 in 2006 with 36 recorded births. The name reached its all-time peak in 2025 with 78 births ranking #514. Since 1996, the popularity has increased by 71.4%. In 2006, approximately 1 in every 8,312 girls born was named Cecily. RISING Recent data shows the name is currently rising.