Cain is a moderately popular boys' name in England & Wales, ranking #281 in 2005 with 116 recorded births. This places Cain in the top 6% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has increased by 39.8%. In 2005, approximately 1 in every 2,668 boys born was named Cain. STABLE Recent data shows the name is currently stable.