Alexei is a distinctive girls' name in United States, ranking #14584 in 2015 with 6 recorded births. The name reached its all-time peak in 1998 with 12 births ranking #7555. Since 1996, the popularity has decreased by 40.0%. In 2015, approximately 1 in every 297,442 girls born was named Alexei. STABLE Recent data shows the name is currently stable.