Cain is a moderately popular boys' name in England & Wales, ranking #184 in 2001 with 191 recorded births. This places Cain in the top 5% 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 130.1%. In 2001, approximately 1 in every 1,507 boys born was named Cain. STABLE Recent data shows the name is currently stable.