Nain is a distinctive boys' name in United States, ranking #7907 in 2011 with 10 recorded births. The name reached its all-time peak in 2007 with 22 births ranking #4460. Since 1996, the popularity has increased by 100.0%. In 2011, approximately 1 in every 189,899 boys born was named Nain. RISING Recent data shows the name is currently rising.