Nickolai is a distinctive boys' name in United States, ranking #5410 in 2014 with 17 recorded births. The name reached its all-time peak in 2015 with 31 births ranking #3563. Since 1996, the popularity has increased by 183.3%. In 2014, approximately 1 in every 112,967 boys born was named Nickolai. FALLING Recent data shows the name is currently falling.