Lexey is a distinctive girls' name in United States, ranking #7066 in 1999 with 14 recorded births. The name reached its all-time peak in 1998 with 19 births ranking #5488. Since 1996, the popularity has increased by 133.3%. In 1999, approximately 1 in every 126,699 girls born was named Lexey. FALLING Recent data shows the name is currently falling.