Lewys is a distinctive boys' name in England & Wales, ranking #511 in 1998 with 38 recorded births. The name reached its all-time peak in 2004 with 52 births ranking #500. Since 1996, the popularity has increased by 15.2%. In 1998, approximately 1 in every 8,170 boys born was named Lewys. FALLING Recent data shows the name is currently falling.