Louisa is a distinctive girls' name in United States, ranking #1752 in 2006 with 119 recorded births. This places Louisa in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 424 births ranking #687. In 2006, approximately 1 in every 15,975 girls born was named Louisa. RISING Recent data shows the name is currently rising.