Nicolai is a distinctive boys' name in United States, ranking #2021 in 2008 with 70 recorded births. The name reached its all-time peak in 2015 with 78 births ranking #1883. Since 1996, the popularity has increased by 204.3%. In 2008, approximately 1 in every 29,142 boys born was named Nicolai. STABLE Recent data shows the name is currently stable.