Cain is a distinctive boys' name in England & Wales, ranking #583 in 2014 with 61 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 26.5%. In 2014, approximately 1 in every 5,445 boys born was named Cain. STABLE Recent data shows the name is currently stable.