Alys is a distinctive girls' name in England & Wales, ranking #585 in 2015 with 72 recorded births. The name reached its all-time peak in 2013 with 100 births ranking #426. Since 1996, the popularity has increased by 46.9%. In 2015, approximately 1 in every 4,277 girls born was named Alys. STABLE Recent data shows the name is currently stable.