Louisa
Louisa around the world
One shared root links 9 names across 5 languages.
Shared root: from Frankish Hludwig, hlud "famous" + wig "war", smoothed through Latin Ludovicus and French Louis
The constellation
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Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Louisa peaked in the 2010s and the 2020s in nearly equal measure.
See popularity in Brazil
Popularity in Brazil
290 people · the #19,518 first name in Brazil · about 1 in 1,000,000 · median age 8
Among people named Louisa living in Brazil at the 2022 census, more were born in the 2010s than in any other decade.
The census also counted 84 born between 2020 and August 2022, too recent a span to chart.
Source: IBGE, Censo Demográfico 2022
The Louisa deep dive
Whether you’re naming a baby or exploring your own name’s history, this is a personal letter, not a list: where Louisa truly comes from, how it traveled, and what a century of records reveals. If you have grown a tree on nametree, it also considers how Louisa fits with your family’s names and surname.
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