Cain is a distinctive boys' name in England & Wales, ranking #929 in 2019 with 31 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 62.7%. In 2019, approximately 1 in every 9,802 boys born was named Cain. STABLE Recent data shows the name is currently stable.