Alexei is a distinctive girls' name in United States, ranking #15385 in 2021 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 2021, approximately 1 in every 327,942 girls born was named Alexei. STABLE Recent data shows the name is currently stable.