Aleksei is a distinctive boys' name in United States, ranking #3413 in 2001 with 25 recorded births. The name reached its all-time peak in 2001 with 25 births ranking #3413. Since 1996, the popularity has increased by 56.3%. In 2001, approximately 1 in every 77,713 boys born was named Aleksei. FALLING Recent data shows the name is currently falling.