Cecily is a distinctive girls' name in England & Wales, ranking #679 in 2012 with 61 recorded births. The name reached its all-time peak in 2025 with 78 births ranking #514. Since 1996, the popularity has increased by 190.5%. In 2012, approximately 1 in every 5,280 girls born was named Cecily. RISING Recent data shows the name is currently rising.