Alexa is a moderately popular girls' name in England & Wales, ranking #271 in 2006 with 173 recorded births. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 440.6%. In 2006, approximately 1 in every 1,730 girls born was named Alexa. FALLING Recent data shows the name is currently falling.