Alexa is a distinctive girls' name in England & Wales, ranking #649 in 1998 with 38 recorded births. The name reached its all-time peak in 2011 with 353 births ranking #152. Since 1996, the popularity has increased by 18.8%. In 1998, approximately 1 in every 7,610 girls born was named Alexa. FALLING Recent data shows the name is currently falling.