Cecily is a distinctive girls' name in England & Wales, ranking #722 in 2008 with 49 recorded births. The name reached its all-time peak in 2025 with 78 births ranking #514. Since 1996, the popularity has increased by 133.3%. In 2008, approximately 1 in every 6,444 girls born was named Cecily. RISING Recent data shows the name is currently rising.