Lexy is a distinctive girls' name in United States, ranking #1553 in 2001 with 120 recorded births. The name reached its all-time peak in 2005 with 136 births ranking #1521. Since 1996, the popularity has increased by 31.9%. In 2001, approximately 1 in every 15,005 girls born was named Lexy. FALLING Recent data shows the name is currently falling.