Lexie is a distinctive girls' name in United States, ranking #503 in 2007 with 640 recorded births. The name reached its all-time peak in 2010 with 647 births ranking #467. Since 1996, the popularity has increased by 80.3%. In 2007, approximately 1 in every 3,004 girls born was named Lexie. FALLING Recent data shows the name is currently falling.