Aleksei is a distinctive boys' name in United States, ranking #9614 in 2015 with 7 recorded births. The name reached its all-time peak in 2001 with 25 births ranking #3413. Since 1996, the popularity has decreased by 56.3%. In 2015, approximately 1 in every 273,751 boys born was named Aleksei. FALLING Recent data shows the name is currently falling.