Cerys is a moderately popular girls' name in England & Wales, ranking #101 in 2005 with 504 recorded births. The name reached its all-time peak in 2000 with 578 births ranking #91. Since 1996, the popularity has increased by 447.8%. In 2005, approximately 1 in every 572 girls born was named Cerys. STABLE Recent data shows the name is currently stable.