How Many People Are Named Marly?
An estimated 1,591 people in the United States have the first name Marly. It is almost exclusively a female name. The average bearer is 23 years old, and Marly peaked in popularity in 2008 with 89 births that year.
Below you will find a full statistical profile of Marly 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 Marly paired with any surname.
Estimated Living Americans
1,591
About 1 in 215,433 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.7% confidence
Average Age
23
years old
Peak Year
2008
89 births
Total Registered
1,640
since 1880
Gender Distribution for Marly
Marly is almost exclusively a female name. Out of 1,640 total births registered, 99.7% were female.
Marly as a male name
Ranked #13,299 in 2006
5 male births in 2006
Peak: 2006 (5 births)
Marly as a female name
Ranked #3,610 in 2024
43 female births in 2024
Peak: 2008 (89 births)
Marly: Popularity Over Time
SSA records for Marly span from the 1940s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 502 babies were registered. While Marly is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Marly by Decade
How has Marly 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.
Marly by State
Birth registrations for Marly span all 8 states and territories in the SSA database. The highest counts are in California, New York, Florida. The lowest are in Wisconsin, North Carolina, Tennessee. On average, about 39 Marlys were registered per state.
Marly + Last Name Combinations
How many people share a full name with Marly as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marly
Other first names starting with M with a similar number of bearers.
Marly: Questions and Answers
How many people in the U.S. are named Marly?
We estimate approximately 1,591 people named Marly 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 215,433 Americans share this first name.
Is Marly a common name?
Marly is classified as "Rare" and is more popular than 92.7% of all first names in the SSA database. A total of 1,640 births have been registered with this name since 1880.
When was Marly most popular?
Marly reached peak popularity in 2008, when 89 babies were given this name. The average age of a living person named Marly is approximately 23 years old, reflecting when the name was most commonly given.
Is Marly a female name?
Marly is predominantly female. 99.7% of people with this name are female. See the gender breakdown above for full details.
How many Marly Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marly Smith, Marly Johnson, Marly 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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