Alys is a distinctive girls' name in England & Wales, ranking #643 in 2002 with 42 recorded births. The name reached its all-time peak in 2013 with 100 births ranking #426. Since 1996, the popularity has decreased by 14.3%. In 2002, approximately 1 in every 6,366 girls born was named Alys. STABLE Recent data shows the name is currently stable.