Cain is a distinctive boys' name in United States, ranking #914 in 2022 with 253 recorded births. The name reached its all-time peak in 2014 with 330 births ranking #726. Since 1996, the popularity has increased by 90.2%. In 2022, approximately 1 in every 6,895 boys born was named Cain. FALLING Recent data shows the name is currently falling.