Alexa is a moderately popular girls' name in England & Wales, ranking #181 in 2014 with 292 recorded births. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 812.5%. In 2014, approximately 1 in every 1,050 girls born was named Alexa. FALLING Recent data shows the name is currently falling.