Louisa is a distinctive girls' name in United States, ranking #1472 in 1997 with 112 recorded births. The name reached its all-time peak in 2021 with 424 births ranking #687. Since 1996, the popularity has decreased by 13.2%. In 1997, approximately 1 in every 15,542 girls born was named Louisa. RISING Recent data shows the name is currently rising.