Louisa is a distinctive girls' name in United States, ranking #1119 in 2012 with 222 recorded births. The name reached its all-time peak in 2021 with 424 births ranking #687. Since 1996, the popularity has increased by 72.1%. In 2012, approximately 1 in every 7,931 girls born was named Louisa. RISING Recent data shows the name is currently rising.