Alexa is a moderately popular girls' name in England & Wales, ranking #175 in 2015 with 314 recorded births. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 881.3%. In 2015, approximately 1 in every 981 girls born was named Alexa. FALLING Recent data shows the name is currently falling.