Louisa is a moderately popular girls' name in England & Wales, ranking #211 in 1999 with 197 recorded births. This places Louisa in the top 4% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 2007 with 263 births ranking #201. Since 1996, the popularity has decreased by 16.2%. In 1999, approximately 1 in every 1,430 girls born was named Louisa. RISING Recent data shows the name is currently rising.