Cecily is a distinctive girls' name in England & Wales, ranking #709 in 2021 with 53 recorded births. The name reached its all-time peak in 2025 with 78 births ranking #514. Since 1996, the popularity has increased by 152.4%. In 2021, approximately 1 in every 5,170 girls born was named Cecily. RISING Recent data shows the name is currently rising.