Cain is a moderately popular boys' name in England & Wales, ranking #245 in 2002 with 119 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has increased by 43.4%. In 2002, approximately 1 in every 2,423 boys born was named Cain. STABLE Recent data shows the name is currently stable.