Carwyn is a distinctive boys' name in England & Wales, ranking #691 in 2002 with 28 recorded births. The name reached its all-time peak in 1996 with 40 births ranking #464. Since 1996, the popularity has decreased by 30.0%. In 2002, approximately 1 in every 10,296 boys born was named Carwyn. FALLING Recent data shows the name is currently falling.