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
| Decade | Babies named Louisa | Best rank |
|---|---|---|
| 1880s | 1,420 | 210 |
| 1890s | 1,272 | 280 |
| 1900s | 993 | 418 |
| 1910s | 1,619 | 673 |
| 1920s | 1,770 | 898 |
| 1930s | 1,227 | 972 |
| 1940s | 1,284 | 1,071 |
| 1950s | 1,442 | 1,236 |
| 1960s | 1,371 | 1,415 |
| 1970s | 1,005 | 1,705 |
| 1980s | 1,072 | 1,818 |
| 1990s | 1,084 | 2,275 |
| 2000s | 1,154 | 2,750 |
| 2010s | 2,939 | 1,311 |
| 2020s | 2,285 | 1,326 |
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.