Alexa is a moderately popular girls' name in England & Wales, ranking #152 in 2011 with 353 recorded births. This places Alexa in the top 2% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 1,003.1%. In 2011, approximately 1 in every 910 girls born was named Alexa. FALLING Recent data shows the name is currently falling.