Lexa is a distinctive girls' name in United States, ranking #3699 in 2011 with 42 recorded births. The name reached its all-time peak in 2017 with 115 births ranking #1808. Since 1996, the popularity has increased by 40.0%. In 2011, approximately 1 in every 41,876 girls born was named Lexa. FALLING Recent data shows the name is currently falling.