Louisa is a distinctive girls' name in United States, ranking #1868 in 2003 with 99 recorded births. This places Louisa in the top 10% 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. Since 1996, the popularity has decreased by 23.3%. In 2003, approximately 1 in every 18,455 girls born was named Louisa. RISING Recent data shows the name is currently rising.