Louisa Girl
How popular is Louisa?
#694 girl name in 2025
407 baby girls were named Louisa in the US in 2025, making it the 694th most popular girl name.
12,998living people named Louisa (est.)
28median age of people named Louisa
21,937babies named Louisa since 1880
1 in 8,146US babies born in 2025
Louisa popularity over time
Boys Girls
| Rank in 2025 | #694 for girls (▲ 38 from 2024) |
|---|---|
| Babies in 2025 | 407 girls |
| 10-year trend | Rising (+34% babies vs 2015) |
| Earlier ranks | #906 in 2015, #725 in 2020 |
| Peak year | 2021 (424 girls) |
| Highest rank | #119 in 1881 |
| First recorded | 1880 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.3% in a class of 25 kids born in 2025 |
Where Louisa is most popular
Babies named Louisa per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
- District of Columbia: 1.3 per 1,000 (15 girls)
- Alaska: 1.2 per 1,000 (10 girls)
- Massachusetts: 0.7 per 1,000 (90 girls)
- Minnesota: 0.7 per 1,000 (74 girls)
- Oregon: 0.6 per 1,000 (40 girls)
Louisa by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1880s | 1,420 | #119 |
| 1890s | 1,272 | #179 |
| 1900s | 993 | #270 |
| 1910s | 1,619 | #381 |
| 1920s | 1,765 | #496 |
| 1930s | 1,227 | #530 |
| 1940s | 1,284 | #602 |
| 1950s | 1,442 | #712 |
| 1960s | 1,371 | #825 |
| 1970s | 1,005 | #1,012 |
| 1980s | 1,072 | #1,093 |
| 1990s | 1,084 | #1,316 |
| 2000s | 1,154 | #1,572 |
| 2010s | 2,939 | #688 |
| 2020s | 2,285 | #685 |
Girl names about as popular as Louisa
Questions
- Is Louisa a boy or girl name?
- Louisa is mostly a girl name. Over the last 10 years, 100% of babies named Louisa were girls.
- How popular is the name Louisa?
- 407 baby girls were named Louisa in the US in 2025, making it the 694th most popular girl name.
- When was Louisa most popular?
- Louisa peaked in 2021, when 424 girls were given the name. Its highest rank was #119 in 1881.
- How many people are named Louisa?
- 21,937 babies have been named Louisa in the US since 1880. We estimate about 12,998 of them are alive in 2026, with a median age of 28.
- Where is Louisa most popular?
- From 2021 to 2025, Louisa was most common in District of Columbia, at 1.3 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.