How Many People Are Named Lu?
An estimated 2,471 people in the United States have the first name Lu. It is predominantly female (99.1%). The average bearer is 67 years old, and Lu peaked in popularity in 1954 with 394 births that year.
Below you will find a full statistical profile of Lu 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 Lu paired with any surname.
Key Insights
- With an average bearer age of 67, Lu is a vintage name most associated with earlier generations. Most living bearers were born before 1969.
Estimated Living Americans
2,471
About 1 in 138,711 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.1% confidence
Average Age
67
years old
Peak Year
1954
394 births
Total Registered
4,075
since 1880
Gender Distribution for Lu
Lu is almost exclusively a female name. Out of 4,075 total births registered, 99.1% were female.
Lu as a male name
Ranked #13,557 in 2022
5 male births in 2022
Peak: 1918 (6 births)
Lu as a female name
Ranked #11,688 in 2024
8 female births in 2024
Peak: 1954 (394 births)
Lu: Popularity Over Time
SSA records for Lu span from the 1880s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1950s, when 2,021 babies were registered. Lu has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Lu by Decade
How has Lu 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.
Lu by State
Birth registrations for Lu span all 32 states and territories in the SSA database. The highest counts are in Ohio, Pennsylvania, Texas. The lowest are in Washington, South Carolina, Nebraska. On average, about 65 Lus were registered per state.
Lu + Last Name Combinations
How many people share a full name with Lu as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lu
Other first names starting with L with a similar number of bearers.
Lu: Questions and Answers
How many people in the U.S. are named Lu?
We estimate approximately 2,471 people named Lu 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 138,711 Americans share this first name.
Is Lu a common name?
Lu is classified as "Rare" and is more popular than 94.5% of all first names in the SSA database. A total of 4,075 births have been registered with this name since 1880.
When was Lu most popular?
Lu reached peak popularity in 1954, when 394 babies were given this name. The average age of a living person named Lu is approximately 67 years old, reflecting when the name was most commonly given.
Is Lu a female name?
Lu is predominantly female. 99.1% of people with this name are female. See the gender breakdown above for full details.
How many Lu Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lu Smith, Lu Johnson, Lu 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.
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