Carwyn is a distinctive boys' name in England & Wales, ranking #944 in 2011 with 30 recorded births. The name reached its all-time peak in 1996 with 40 births ranking #464. Since 1996, the popularity has decreased by 25.0%. In 2011, approximately 1 in every 11,528 boys born was named Carwyn. FALLING Recent data shows the name is currently falling.