Cain is a moderately popular boys' name in England & Wales, ranking #451 in 2010 with 82 recorded births. This places Cain in the top 7% 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. In 2010, approximately 1 in every 4,223 boys born was named Cain. STABLE Recent data shows the name is currently stable.