How Many People Are Named Mariah?
An estimated 110,502 people in the United States have the first name Mariah. While not in the top 50, it remains a well-known name ranking #484 overall. It is almost exclusively a female name. The average bearer is 24 years old, and Mariah peaked in popularity in 1996 with 5,454 births that year.
Below you will find a full statistical profile of Mariah 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 Mariah paired with any surname.
Key Insights
- While Mariah is overwhelmingly female, 183 male births have been registered with this name since 1880.
Estimated Living Americans
110,502
About 1 in 3,102 people in the U.S.
Rarity
Common
Predicted Gender
Female
99.8% confidence
Average Age
24
years old
Peak Year
1996
5,454 births
Total Registered
114,563
since 1880
Gender Distribution for Mariah
Mariah is almost exclusively a female name. Out of 114,563 total births registered, 99.8% were female.
Mariah as a male name
Ranked #9,322 in 2014
8 male births in 2014
Peak: 1992 (15 births)
Mariah as a female name
Ranked #413 in 2024
756 female births in 2024
Peak: 1996 (5,446 births)
Mariah: Popularity Over Time
SSA records for Mariah span from the 1880s to the 2020s, covering 15 decades of naming data. The most popular decade for this name was the 1990s, when 44,684 babies were registered. Mariah has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Mariah by Decade
How has Mariah 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.
Mariah by State
Birth registrations for Mariah span all 51 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Vermont, Delaware, Wyoming. On average, about 2,184 Mariahs were registered per state.
Mariah + Last Name Combinations
How many people share a full name with Mariah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mariah
Other first names starting with M with a similar number of bearers.
Mariah: Questions and Answers
How many people in the U.S. are named Mariah?
We estimate approximately 110,502 people named Mariah 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 3,102 Americans share this first name.
Is Mariah a common name?
Mariah is classified as "Common" and is more popular than 99.5% of all first names in the SSA database. A total of 114,563 births have been registered with this name since 1880.
When was Mariah most popular?
Mariah reached peak popularity in 1996, when 5,454 babies were given this name. The average age of a living person named Mariah is approximately 24 years old, reflecting when the name was most commonly given.
Is Mariah a female name?
Mariah is predominantly female. 99.8% of people with this name are female. See the gender breakdown above for full details.
How many Mariah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mariah Smith, Mariah Johnson, Mariah 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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