Louisa is a distinctive girls' name in United States, ranking #825 in 2022 with 340 recorded births. The name reached its all-time peak in 2021 with 424 births ranking #687. Since 1996, the popularity has increased by 163.6%. In 2022, approximately 1 in every 4,820 girls born was named Louisa. RISING Recent data shows the name is currently rising.