Alexa is a moderately popular girls' name in England & Wales, ranking #184 in 2008 with 284 recorded births. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 787.5%. In 2008, approximately 1 in every 1,112 girls born was named Alexa. FALLING Recent data shows the name is currently falling.