Alexa is a moderately popular girls' name in England & Wales, ranking #161 in 2009 with 330 recorded births. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 931.3%. In 2009, approximately 1 in every 950 girls born was named Alexa. FALLING Recent data shows the name is currently falling.