Blain is a distinctive boys' name in United States, ranking #5069 in 2010 with 18 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1989. Since 1996, the popularity has decreased by 41.9%. In 2010, approximately 1 in every 106,578 boys born was named Blain. RISING Recent data shows the name is currently rising.