How Many People Are Named Marius?
An estimated 2,288 people in the United States have the first name Marius. It is almost exclusively a male name. The average bearer is 26 years old, and Marius peaked in popularity in 2004 with 80 births that year.
Below you will find a full statistical profile of Marius 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 Marius paired with any surname.
Estimated Living Americans
2,288
About 1 in 149,805 people in the U.S.
Rarity
Rare
Predicted Gender
Male
100.0% confidence
Average Age
26
years old
Peak Year
2004
80 births
Total Registered
2,602
since 1880
Gender Distribution for Marius
Marius is almost exclusively a male name. Out of 2,602 total births registered, 100.0% were male.
Marius as a male name
Ranked #2,428 in 2024
57 male births in 2024
Peak: 2004 (80 births)
Marius: Popularity Over Time
SSA records for Marius span from the 1880s to the 2020s, covering 13 decades of naming data. The most popular decade for this name was the 2010s, when 613 babies were registered. While Marius is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Marius by Decade
How has Marius 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.
Marius by State
Birth registrations for Marius span all 12 states and territories in the SSA database. The highest counts are in California, New York, Texas. The lowest are in Tennessee, New Jersey, Virginia. On average, about 44 Mariuss were registered per state.
Marius + Last Name Combinations
How many people share a full name with Marius as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Marius
Other first names starting with M with a similar number of bearers.
Marius: Questions and Answers
How many people in the U.S. are named Marius?
We estimate approximately 2,288 people named Marius 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 149,805 Americans share this first name.
Is Marius a common name?
Marius is classified as "Rare" and is more popular than 94.2% of all first names in the SSA database. A total of 2,602 births have been registered with this name since 1880.
When was Marius most popular?
Marius reached peak popularity in 2004, when 80 babies were given this name. The average age of a living person named Marius is approximately 26 years old, reflecting when the name was most commonly given.
Is Marius a male name?
Marius is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Marius Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Marius Smith, Marius Johnson, Marius 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 0 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau estimate. Full methodology.
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