How Many People Are Named Marilynn?
An estimated 6,500 people in the United States have the first name Marilynn. It is almost exclusively a female name. The average bearer is 60 years old, and Marilynn peaked in popularity in 1947 with 407 births that year.
Below you will find a full statistical profile of Marilynn 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 Marilynn paired with any surname.
Estimated Living Americans
6,500
About 1 in 52,731 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
60
years old
Peak Year
1947
407 births
Total Registered
13,240
since 1880
Gender Distribution for Marilynn
Marilynn is almost exclusively a female name. Out of 13,240 total births registered, 100.0% were female.
Marilynn as a female name
Ranked #3,303 in 2024
48 female births in 2024
Peak: 1947 (407 births)
Marilynn: Popularity Over Time
SSA records for Marilynn span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1940s, when 3,569 babies were registered. Marilynn has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Marilynn by Decade
How has Marilynn 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.
Marilynn by State
Birth registrations for Marilynn span all 41 states and territories in the SSA database. The highest counts are in California, Illinois, Michigan. The lowest are in Hawaii, Arizona, West Virginia. On average, about 230 Marilynns were registered per state.
Marilynn + Last Name Combinations
How many people share a full name with Marilynn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marilynn
Other first names starting with M with a similar number of bearers.
Marilynn: Questions and Answers
How many people in the U.S. are named Marilynn?
We estimate approximately 6,500 people named Marilynn 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 52,731 Americans share this first name.
Is Marilynn a common name?
Marilynn is classified as "Rare" and is more popular than 97.1% of all first names in the SSA database. A total of 13,240 births have been registered with this name since 1880.
When was Marilynn most popular?
Marilynn reached peak popularity in 1947, when 407 babies were given this name. The average age of a living person named Marilynn is approximately 60 years old, reflecting when the name was most commonly given.
Is Marilynn a female name?
Marilynn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Marilynn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marilynn Smith, Marilynn Johnson, Marilynn 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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