Cain is a distinctive boys' name in England & Wales, ranking #505 in 2009 with 69 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 16.9%. In 2009, approximately 1 in every 4,901 boys born was named Cain. STABLE Recent data shows the name is currently stable.