Nickolai is a distinctive boys' name in United States, ranking #8680 in 1996 with 6 recorded births. This places Nickolai in the bottom 18% 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 31 births ranking #3563. In 1996, approximately 1 in every 315,706 boys born was named Nickolai. FALLING Recent data shows the name is currently falling.