Blain is a distinctive boys' name in United States, ranking #2621 in 2001 with 36 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1989. Since 1996, the popularity has increased by 16.1%. In 2001, approximately 1 in every 53,968 boys born was named Blain. RISING Recent data shows the name is currently rising.