Louisa

Latinate feminine form of Louis, whose Frankish source Chlodovech joins hlud, fame, with wig, battle.

Louisa in 2025

Louisa was given to 407 babies in the United States in 2025, making it the 1,360th most popular name of the year. That is roughly one in every 8,146 babies born.

The history of Louisa

Louisa reached its highest point in 2021, when 424 babies were given the name, ranking 1,326th that year. Its best-ever ranking was 210th, in 1881.

Across the 146 years of records since 1880, 21,937 babies have been named Louisa. Half of them were born before 1959, which places the name's centre of gravity with the Baby Boomers.

Louisa by decade

DecadeBabies named LouisaBest rank
1880s1,420210
1890s1,272280
1900s993418
1910s1,619673
1920s1,770898
1930s1,227972
1940s1,2841,071
1950s1,4421,236
1960s1,3711,415
1970s1,0051,705
1980s1,0721,818
1990s1,0842,275
2000s1,1542,750
2010s2,9391,311
2020s2,2851,326

Where Louisa is heading

Louisa has risen 34% over the past decade, from 303 babies in 2015 to 407 in 2025.

Names like Louisa

Names that rose and fell at the same time as Louisa.

Browse the most popular baby names