Cain is a distinctive boys' name in England & Wales, ranking #520 in 2013 with 71 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 14.5%. In 2013, approximately 1 in every 4,698 boys born was named Cain. STABLE Recent data shows the name is currently stable.