Dwain is a distinctive boys' name in United States, ranking #4854 in 2000 with 15 recorded births. The name reached its all-time peak in 1997 with 20 births ranking #3489. Since 1996, the popularity has decreased by 11.8%. In 2000, approximately 1 in every 130,929 boys born was named Dwain. FALLING Recent data shows the name is currently falling.