Cain is a distinctive boys' name in England & Wales, ranking #516 in 2011 with 68 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 18.1%. In 2011, approximately 1 in every 5,086 boys born was named Cain. STABLE Recent data shows the name is currently stable.