Alexei is a distinctive girls' name in United States, ranking #11434 in 1999 with 7 recorded births. The name reached its all-time peak in 1998 with 12 births ranking #7555. Since 1996, the popularity has decreased by 30.0%. In 1999, approximately 1 in every 253,397 girls born was named Alexei. STABLE Recent data shows the name is currently stable.