Cerys is a moderately popular girls' name in England & Wales, ranking #146 in 2009 with 375 recorded births. The name reached its all-time peak in 2000 with 578 births ranking #91. Since 1996, the popularity has increased by 307.6%. In 2009, approximately 1 in every 836 girls born was named Cerys. STABLE Recent data shows the name is currently stable.