How Many People Are Named Lambert?
An estimated 1,441 people in the United States have the first name Lambert. It is almost exclusively a male name. The average bearer is 56 years old, and Lambert peaked in popularity in 1918 with 98 births that year.
Below you will find a full statistical profile of Lambert 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 Lambert paired with any surname.
Estimated Living Americans
1,441
About 1 in 237,859 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
56
years old
Peak Year
1918
98 births
Total Registered
3,503
since 1880
Gender Distribution for Lambert
Lambert is almost exclusively a male name. Out of 3,503 total births registered, 100.0% were male.
Lambert as a male name
Ranked #9,476 in 2024
8 male births in 2024
Peak: 1918 (98 births)
Lambert: Popularity Over Time
SSA records for Lambert span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1920s, when 666 babies were registered. Lambert has declined significantly from its peak in the 1920s. Recent registrations are a fraction of what they were at the name's height.
Lambert by Decade
How has Lambert 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.
Lambert by State
Birth registrations for Lambert span all 20 states and territories in the SSA database. The highest counts are in Illinois, Minnesota, Michigan. The lowest are in West Virginia, Oklahoma, New Mexico. On average, about 32 Lamberts were registered per state.
Lambert + Last Name Combinations
How many people share a full name with Lambert as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Lambert
Other first names starting with L with a similar number of bearers.
Lambert: Questions and Answers
How many people in the U.S. are named Lambert?
We estimate approximately 1,441 people named Lambert 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 237,859 Americans share this first name.
Is Lambert a common name?
Lambert is classified as "Rare" and is more popular than 92.2% of all first names in the SSA database. A total of 3,503 births have been registered with this name since 1880.
When was Lambert most popular?
Lambert reached peak popularity in 1918, when 98 babies were given this name. The average age of a living person named Lambert is approximately 56 years old, reflecting when the name was most commonly given.
Is Lambert a male name?
Lambert is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Lambert Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Lambert Smith, Lambert Johnson, Lambert 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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