Cerys is a moderately popular girls' name in England & Wales, ranking #134 in 2006 with 411 recorded births. The name reached its all-time peak in 2000 with 578 births ranking #91. Since 1996, the popularity has increased by 346.7%. In 2006, approximately 1 in every 728 girls born was named Cerys. STABLE Recent data shows the name is currently stable.