How Many People Are Named Marwin?
An estimated 339 people in the United States have the first name Marwin. It is almost exclusively a male name. The average bearer is 37 years old, and Marwin peaked in popularity in 1990 with 17 births that year.
Below you will find a full statistical profile of Marwin 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 Marwin paired with any surname.
Estimated Living Americans
339
About 1 in 1,011,075 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
37
years old
Peak Year
1990
17 births
Total Registered
370
since 1880
Gender Distribution for Marwin
Marwin is almost exclusively a male name. Out of 370 total births registered, 100.0% were male.
Marwin as a male name
Ranked #13,357 in 2020
5 male births in 2020
Peak: 1990 (17 births)
Marwin: Popularity Over Time
SSA records for Marwin span from the 1910s to the 2020s, covering 11 decades of naming data. The most popular decade for this name was the 1970s, when 90 babies were registered. Marwin has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Marwin by Decade
How has Marwin 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.
Marwin by State
Marwin + Last Name Combinations
How many people share a full name with Marwin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marwin
Other first names starting with M with a similar number of bearers.
Marwin: Questions and Answers
How many people in the U.S. are named Marwin?
We estimate approximately 339 people named Marwin 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 1,011,075 Americans share this first name.
Is Marwin a common name?
Marwin is classified as "Very Rare" and is more popular than 80.5% of all first names in the SSA database. A total of 370 births have been registered with this name since 1880.
When was Marwin most popular?
Marwin reached peak popularity in 1990, when 17 babies were given this name. The average age of a living person named Marwin is approximately 37 years old, reflecting when the name was most commonly given.
Is Marwin a male name?
Marwin is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Marwin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marwin Smith, Marwin Johnson, Marwin 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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