Nain is a distinctive boys' name in United States, ranking #7224 in 2000 with 9 recorded births. The name reached its all-time peak in 2007 with 22 births ranking #4460. Since 1996, the popularity has increased by 80.0%. In 2000, approximately 1 in every 218,215 boys born was named Nain. RISING Recent data shows the name is currently rising.