Nicolai is a distinctive boys' name in United States, ranking #2194 in 2013 with 60 recorded births. This places Nicolai in the top 16% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 78 births ranking #1883. Since 1996, the popularity has increased by 160.9%. In 2013, approximately 1 in every 31,521 boys born was named Nicolai. STABLE Recent data shows the name is currently stable.