How Many People Are Named Mariann?
An estimated 4,630 people in the United States have the first name Mariann. It is almost exclusively a female name. The average bearer is 60 years old, and Mariann peaked in popularity in 1957 with 337 births that year.
Below you will find a full statistical profile of Mariann 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 Mariann paired with any surname.
Estimated Living Americans
4,630
About 1 in 74,029 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
60
years old
Peak Year
1957
337 births
Total Registered
7,183
since 1880
Gender Distribution for Mariann
Mariann is almost exclusively a female name. Out of 7,183 total births registered, 100.0% were female.
Mariann as a female name
Ranked #10,750 in 2024
9 female births in 2024
Peak: 1957 (337 births)
Mariann: Popularity Over Time
SSA records for Mariann span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1950s, when 1,939 babies were registered. Mariann has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Mariann by Decade
How has Mariann 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.
Mariann by State
Birth registrations for Mariann span all 21 states and territories in the SSA database. The highest counts are in New York, Pennsylvania, Illinois. The lowest are in South Dakota, North Dakota, Iowa. On average, about 199 Marianns were registered per state.
Mariann + Last Name Combinations
How many people share a full name with Mariann as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mariann
Other first names starting with M with a similar number of bearers.
Mariann: Questions and Answers
How many people in the U.S. are named Mariann?
We estimate approximately 4,630 people named Mariann 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 74,029 Americans share this first name.
Is Mariann a common name?
Mariann is classified as "Rare" and is more popular than 96.4% of all first names in the SSA database. A total of 7,183 births have been registered with this name since 1880.
When was Mariann most popular?
Mariann reached peak popularity in 1957, when 337 babies were given this name. The average age of a living person named Mariann is approximately 60 years old, reflecting when the name was most commonly given.
Is Mariann a female name?
Mariann is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Mariann Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mariann Smith, Mariann Johnson, Mariann 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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