Dwain is a distinctive boys' name in United States, ranking #9844 in 2020 with 7 recorded births. The name reached its all-time peak in 1997 with 20 births ranking #3489. Since 1996, the popularity has decreased by 58.8%. In 2020, approximately 1 in every 246,438 boys born was named Dwain. FALLING Recent data shows the name is currently falling.