Louisa is a moderately popular girls' name in England & Wales, ranking #184 in 1997 with 233 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. In 1997, approximately 1 in every 1,258 girls born was named Louisa. RISING Recent data shows the name is currently rising.