Nicolai is a distinctive boys' name in United States, ranking #2222 in 2018 with 62 recorded births. The name reached its all-time peak in 2015 with 78 births ranking #1883. Since 1996, the popularity has increased by 169.6%. In 2018, approximately 1 in every 29,282 boys born was named Nicolai. STABLE Recent data shows the name is currently stable.