Nicholai is a distinctive boys' name in United States, ranking #2991 in 2012 with 39 recorded births. The name reached its all-time peak in 2017 with 51 births ranking #2520. Since 1996, the popularity has increased by 200.0%. In 2012, approximately 1 in every 48,631 boys born was named Nicholai. STABLE Recent data shows the name is currently stable.