Alexei is a distinctive girls' name in United States, ranking #15451 in 2001 with 5 recorded births. The name reached its all-time peak in 1998 with 12 births ranking #7555. Since 1996, the popularity has decreased by 50.0%. In 2001, approximately 1 in every 360,112 girls born was named Alexei. STABLE Recent data shows the name is currently stable.