Cecily is a distinctive girls' name in England & Wales, ranking #651 in 2019 with 60 recorded births. The name reached its all-time peak in 2025 with 78 births ranking #514. Since 1996, the popularity has increased by 185.7%. In 2019, approximately 1 in every 4,667 girls born was named Cecily. RISING Recent data shows the name is currently rising.