How Many People Are Named Luiza?
An estimated 1,031 people in the United States have the first name Luiza. It is almost exclusively a female name. The average bearer is 16 years old, and Luiza peaked in popularity in 2023 with 61 births that year.
Below you will find a full statistical profile of Luiza as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Luiza paired with any surname.
Key Insights
- Luiza is a modern name. With an average bearer age of just 16, it has gained most of its popularity in recent years.
Estimated Living Americans
1,031
About 1 in 332,448 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
16
years old
Peak Year
2023
61 births
Total Registered
1,052
since 1880
Gender Distribution for Luiza
Luiza is almost exclusively a female name. Out of 1,052 total births registered, 100.0% were female.
Luiza as a female name
Ranked #3,244 in 2024
49 female births in 2024
Peak: 2023 (61 births)
Luiza: Popularity Over Time
SSA records for Luiza span from the 1920s to the 2020s, covering 7 decades of naming data. The most popular decade for this name was the 2010s, when 344 babies were registered. While Luiza is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Luiza by Decade
How has Luiza tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Luiza by State
Birth registrations for Luiza span all 6 states and territories in the SSA database. The highest counts are in Massachusetts, Florida, California. The lowest are in Texas, New York, New Jersey. On average, about 66 Luizas were registered per state.
Luiza + Last Name Combinations
How many people share a full name with Luiza as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Luiza
Other first names starting with L with a similar number of bearers.
Luiza: Questions and Answers
How many people in the U.S. are named Luiza?
We estimate approximately 1,031 people named Luiza are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 332,448 Americans share this first name.
Is Luiza a common name?
Luiza is classified as "Rare" and is more popular than 90.3% of all first names in the SSA database. A total of 1,052 births have been registered with this name since 1880.
When was Luiza most popular?
Luiza reached peak popularity in 2023, when 61 babies were given this name. The average age of a living person named Luiza is approximately 16 years old, reflecting when the name was most commonly given.
Is Luiza a female name?
Luiza is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Luiza Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Luiza Smith, Luiza Johnson, Luiza Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
Search for a full name combination
How Many of Me