Cain is a moderately popular boys' name in England & Wales, ranking #477 in 2008 with 74 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 10.8%. In 2008, approximately 1 in every 4,586 boys born was named Cain. STABLE Recent data shows the name is currently stable.