Rising since 1985, #3,975 for girls today.
Popularity of Luiza since 1928
Babies named Luiza per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1920s | 6 |
| 1930s | 0 |
| 1940s | 0 |
| 1950s | 0 |
| 1960s | 0 |
| 1970s | 18 |
| 1980s | 36 |
| 1990s | 121 |
| 2000s | 273 |
| 2010s | 344 |
| 2020s | 292 |
Meaning & origin
Luiza, the Portuguese and Polish variant of Louise, has been recorded in the U.S. Social Security data since 1928 but remained uncommon for decades. Its trajectory began rising in 1985, and by 2025 it reached its highest rank at 3975, with a frequency of 1 in 44646 births. The name peaked in popularity in 2023, and its recent growth is most pronounced in Massachusetts and Florida, suggesting appeal in communities with Portuguese heritage. As a feminized form of the Germanic 'famous warrior' name, Luiza offers a melodic alternative to more common Luisa, balancing tradition with a distinctive sound.
Luiza is the Portuguese and Polish feminine form of Luiz (Louis), derived from the Germanic name Chlodowig, composed of elements meaning 'fame' and 'warrior'. It shares roots with the French Louise. The name has been borne in Portuguese- and Polish-speaking communities for centuries, particularly in Brazil and Poland.
Where Luiza is most popular
Births per 100,000 girls by state, 2025. The lightest shade means too few recorded births.
“Luiza” around the world
Where Luiza lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
15
babies in 2024
Ireland
5
babies in 2025
Sources: INSEE (France) · CSO Ireland (Ireland).
Nicknames & variants
Nicknames: Lu, Lulu, Luizinha
Sibling names for Luiza
Names that share Luiza's style, for a brother or sister.
