Alys is a distinctive girls' name in England & Wales, ranking #594 in 2011 with 68 recorded births. The name reached its all-time peak in 2013 with 100 births ranking #426. Since 1996, the popularity has increased by 38.8%. In 2011, approximately 1 in every 4,725 girls born was named Alys. STABLE Recent data shows the name is currently stable.