Louisa is a distinctive girls' name in United States, ranking #1732 in 2007 with 126 recorded births. This places Louisa in the top 8% 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 2007, approximately 1 in every 15,258 girls born was named Louisa. RISING Recent data shows the name is currently rising.