Cain is a distinctive boys' name in England & Wales, ranking #1153 in 2025 with 25 recorded births. The name reached its all-time peak in 2001 with 191 births ranking #184. Since 1996, the popularity has decreased by 69.9%. In 2025, approximately 1 in every 10,877 boys born was named Cain. STABLE Recent data shows the name is currently stable.