How Many People Are Named Louisa?
people named Louisa are alive in the United States today (estimate)
About 1 in 26,645 people in the US has this name
Based on 21,937 babies named Louisa in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎 Rare
Peak Year
424 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Latinate feminine form of LOUIS. A famous bearer was the American novelist Louisa May Alcott (1832-1888), the author of 'Little Women'.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Louisa in the records were girls.
👥 Age Distribution
The average person named Louisa alive today is about 33 years old, and 53% are under 30. Half of them were between 8 and 58 in 2025.
📈 Popularity Over Time
Louisa first appears in the records in 1880 and was given most often in 2021, to 424 babies. In 2025, 407 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Louisa has never been one of the 100 most popular girls' names. Its best rank was #119, in 1881. In 2025 it ranked #697.
| Girls | |
|---|---|
| Rank in 2025 | #697 |
| Best rank | #119 (1881) |
| Years in the top 100 | None |
| Rank in its biggest decade | #927 in the 2010s |
📍 State-Wise Distribution
People named Louisa alive today, by the state where they were born (estimate; state records start in 1910).
More people named Louisa were born in New York than in any other state: about 1,391 of those alive today. Compared with the national rate in the same years, Louisa was given 4.8 times as often in New Mexico, 2.5 times in Massachusetts and 2.1 times in New York.
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