Alys is a distinctive girls' name in England & Wales, ranking #643 in 2010 with 59 recorded births. The name reached its all-time peak in 2013 with 100 births ranking #426. Since 1996, the popularity has increased by 20.4%. In 2010, approximately 1 in every 5,441 girls born was named Alys. STABLE Recent data shows the name is currently stable.