Aleksei is a distinctive boys' name in United States, ranking #4850 in 2010 with 19 recorded births. The name reached its all-time peak in 2001 with 25 births ranking #3413. Since 1996, the popularity has increased by 18.8%. In 2010, approximately 1 in every 100,969 boys born was named Aleksei. FALLING Recent data shows the name is currently falling.