Dwain is a distinctive boys' name in United States, ranking #5805 in 2014 with 15 recorded births. This places Dwain in the top 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 20 births ranking #3489. Since 1996, the popularity has decreased by 11.8%. In 2014, approximately 1 in every 128,029 boys born was named Dwain. FALLING Recent data shows the name is currently falling.