How Many People Are Named Mari?
An estimated 13,535 people in the United States have the first name Mari. It is almost exclusively a female name. The average bearer is 45 years old, and Mari peaked in popularity in 1957 with 412 births that year.
Below you will find a full statistical profile of Mari 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 Mari paired with any surname.
Key Insights
- While Mari is overwhelmingly female, 59 male births have been registered with this name since 1880.
Estimated Living Americans
13,535
About 1 in 25,324 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
99.6% confidence
Average Age
45
years old
Peak Year
1957
412 births
Total Registered
16,506
since 1880
Gender Distribution for Mari
Mari is almost exclusively a female name. Out of 16,506 total births registered, 99.6% were female.
Mari as a male name
Ranked #9,519 in 2024
8 male births in 2024
Peak: 2023 (13 births)
Mari as a female name
Ranked #1,510 in 2024
143 female births in 2024
Peak: 1957 (412 births)
Mari: Popularity Over Time
SSA records for Mari span from the 1890s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1950s, when 3,176 babies were registered. Mari has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Mari by Decade
How has Mari 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.
Mari by State
Birth registrations for Mari span all 42 states and territories in the SSA database. The highest counts are in California, Texas, Illinois. The lowest are in South Dakota, Idaho, West Virginia. On average, about 263 Maris were registered per state.
Mari + Last Name Combinations
How many people share a full name with Mari as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mari
Other first names starting with M with a similar number of bearers.
Mari: Questions and Answers
How many people in the U.S. are named Mari?
We estimate approximately 13,535 people named Mari 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 25,324 Americans share this first name.
Is Mari a common name?
Mari is classified as "Uncommon" and is more popular than 98.1% of all first names in the SSA database. A total of 16,506 births have been registered with this name since 1880.
When was Mari most popular?
Mari reached peak popularity in 1957, when 412 babies were given this name. The average age of a living person named Mari is approximately 45 years old, reflecting when the name was most commonly given.
Is Mari a female name?
Mari is predominantly female. 99.6% of people with this name are female. See the gender breakdown above for full details.
How many Mari Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mari Smith, Mari Johnson, Mari 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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