Nicholai is a distinctive boys' name in United States, ranking #4285 in 2002 with 19 recorded births. The name reached its all-time peak in 2017 with 51 births ranking #2520. Since 1996, the popularity has increased by 46.2%. In 2002, approximately 1 in every 102,183 boys born was named Nicholai. STABLE Recent data shows the name is currently stable.