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How Many People Are Named Louisa?
Estimated people named Louisa living in the U.S. today
12,026
Gender distribution
0% male · 100% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 21,528
- Peak year: 2021 (424 births)
- Estimated living today: 12,026
Louisa by age group — who carries the name today?
Louisa popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Louisa
Louisa has been recorded by the Social Security Administration since the 19th century dataset began. In total, 21,528 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 12,026 bearers are still living — roughly 1 in 28,422 Americans. The name's strongest decade shapes how old most Louisas you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Louisa in the US?
An estimated 12,026 people named Louisa are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Louisa rare — about 1 in 28,422 Americans.
Is Louisa a boy or girl name?
In SSA records, Louisa is 0% male and 100% female, so it is predominantly a female name.
When was Louisa most popular?
Louisa peaked in 2021, when 424 babies were given the name. Its current trend is rising compared with the previous decade.
How rare is the name Louisa?
Louisa ranks #2,145 of 104,819 first names recorded by the SSA, with a rarity score of 52 out of 100 (higher means rarer).