Louisa is a distinctive girls' name in United States, ranking #731 in 2018 with 386 recorded births. This places Louisa in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2021 with 424 births ranking #687. Since 1996, the popularity has increased by 199.2%. In 2018, approximately 1 in every 4,405 girls born was named Louisa. RISING Recent data shows the name is currently rising.