Blain is a distinctive boys' name in United States, ranking #4641 in 2016 with 21 recorded births. This places Blain in the top 33% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 58 births ranking #1989. Since 1996, the popularity has decreased by 32.3%. In 2016, approximately 1 in every 90,343 boys born was named Blain. RISING Recent data shows the name is currently rising.