Alexa is a popular girls' name in United States, ranking #89 in 1999 with 3,644 recorded births. This places Alexa in the top 1% of ranked US girls' names for the year. Its actual usage is classified as Popular. The name reached its all-time peak in 2006 with 6,117 births ranking #39. Since 1996, the popularity has increased by 11.8%. In 1999, approximately 1 in every 487 girls born was named Alexa. FALLING Recent data shows the name is currently falling.