Lexy is a distinctive girls' name in United States, ranking #1640 in 2000 with 108 recorded births. The name reached its all-time peak in 2005 with 136 births ranking #1521. Since 1996, the popularity has increased by 18.7%. In 2000, approximately 1 in every 16,815 girls born was named Lexy. FALLING Recent data shows the name is currently falling.